TECHDRIVE - the bimmer pub
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1. 1 Secondary Air Delivery Monitoring 1 Evaporative System Monitoring 0 Catalyst Heating 1 Catalyst Efficiency Monitoring When all readiness codes are 1 ready the necessary drive cycles and sys tem tests have been successfully complet OBD II is ready to begin monitoring the vehicle You promised the car by 5 so he could start his trip www zflifez com Will Fil paris thal usually dont and knock off parla thal cause expensiva comebacks the story s not new F first started supplying driveline and chassis components to BMW in 1837 Today we continue to do cur part to ensure the driving machines from BMW remain She Ultimate Since 1979 ZF Sales and Service North America LLG has worked with BMW North America to provide technical support paris and remaaufactured components to keep cwners anjoving their cars We ll keen working with BMW to raise the driveline and chassis technology benchmark You just take care of that cuslomor who needa his car by 5 vith original BMW Parts available at your ocal HM Center ZF Sales and Service North America LLC Car Driveline Technology 77 Hickory Drive Vernon Hills 11 poga 1 211602 Phong BEC 331 2385 Driveline and Chassis Technology FEATURE ARTICLE Keep the Rubber On the Road DSC prevents loss of control You re cruising in your BMW push ing hard down the highway when you come to a tight right hand turn You begin your tur2. DYNAMIC STABILITY CONTROL DSC Compcomaernts pst Hydraulic with integrated EL i Wheel speed sensurs Speeririgr inge sensor Yaw rate amsor with HOO tt or 5 Engine managemert L d FCU for eommarmicatiest force at individual wheels All sensor inputs go to the DSC controller which regulates braking based on its pre programmed response to sensor inputs Whenever any vehicle turns the outside front wheel must go faster than the inside wheel because each wheel follows a differ ent turning radius The relative difference between front wheel rotation speed is determined by how much the steering wheel is turned and how fast the car is going When the difference in front wheel speeds exceeded pre programmed limits DSC considers the vehicle to be in an over steer or understeer condition Selective braking force is then applied to correct the situation and bring the vehicle s actual direction of travel back in line with the direction the driver wants to go Third generation DSC introduced 2000 reduce engine speed addition to regulating braking for optimal stability control courtesy Bosch Continued on page 18 ORIGINAL BMW mn FAC y BUY ORIGINAL Replace We replace more parts than aftermarket brands ENGINEERED Designed to meet original OEM drawings anuracTURED Made with same OE components as factory parts ASSEMBLED
3. Engine Oil 6k CON ANCE 07 5 71 000 E When you see this tag only use BMW synthetic oil BMW converted to all synthetic in 1999 Since 1999 BMW like some other pre mium carmakers has used synthetic engine oil as its factory fill and recom mended replacement But Bayerische Motoren Werke has done other carmakers one better by developing its own brand of synthetic BMW High Performance Synthetic Oil a 5W 30 with SJ CF ratings that can be used in the BMW gasoline engines you find in North America and the diesels the company offers in other coun tries The oil is packaged in both quarts P N 07 51 017 866 and bulk dispensing barrels P N 07 51 0 022 545 For motorsports applications including M5 and Z8 applications BMW recom mends its BMW High Performance Synthetic Oil Castrol RS SAE 10W 60 P N 510009 420 BMW is very clear on this point It is rec ommended to use BMW High Performance Synthetic Oil in 1999 model year and later BMW models and recommend to use either BMW High Performance Synthetic Oil High Performance Mineral Oil or one of today s highly advanced brand name lubri cating oils conforming to API classification SH or higher in 1998 and earlier BMW models The use of synthetic oil allowed BMW to extend normal service oil change intervals up to 15 000 miles far longer than conven tional petroleum based oils can endure But this longer oil change interval is only one advantag
4. matics especially those in later models have no ATF change interval Fluid is added or replaced only when the transmission is repaired Of course it s common wisdom in the auto service business that ATF changes every 30 000 miles go a long way in preventing eventual failures Differential Oil For vehicles with limited slip differentials BMW has a new synthetic final drive oil BMW SAF XJ P N 83 22 1 470 080 which replaces the old SAF XLS Although in stock supplies of the old oil can be used in most models the Z3 must use SAF XJ For vehicles without a limited slip differ ential use BMW SAF XO synthetic oil P N 83 22 9 407 768 Convertibles and Sun Roofs There are three different BMW convertible top hydraulic fluids On the E36 7 models use P N 54 34 8 410 306 On the E46 models use P N 54 34 7 117 733 On the E52 use P N 54 34 8 234 324 On the E85 use P N 54 34 7 117 733 e On the E64 use P N 54 34 7 117 733 Check vehicle service or owner s manual if you have any question about the correct maintenance fluid for any application All of the recommended fluids are available from any BMW dealer YOUR ORIGINAL BMW PARTS SOURCE ANCHORAGE BMW OF Anchorage 907 646 7500 Fax 907 646 7548 ALABAMA HUNTSVILLE Century BMW 256 536 3800 Fax 256 533 0670 IRONDALE Tom Williams Imports 205 252 9512 Fax 205 323 0092 MOBILE Grady BMW 251 476 0132 Fax 251 479 0992 MONTGOMERY BM
5. 386 274 1200 Fax 386 274 4656 FORT LAUDERDALE Lauderdale Imports LTD BMW 954 527 3800 Fax 954 527 3841 FORT MYERS BMW of Fort Meyers 239 433 8378 Fax 239 481 0198 FORT PIERCE Coggin Motor Mall 772 466 7000 Fax 772 461 8240 FORT WALTON BEACH Quality BMW COLORADO 850 863 2161 Fax 850 863 1217 GAINESVILLE All Pro BMW of Gainesville 888 861 4140 Fax 352 237 0256 JACKSONVILLE Tom Bush Regency Motors 904 725 0911 Fax 904 724 2071 LAKELAND Fields BMW Lakeland 863 816 1234 Fax 863 858 8224 MELBOURNE The Imported Car Store Inc 321 727 3788 Fax 321 725 0559 MIAMI Braman BMW 305 571 1220 Fax 305 571 1202 MIAMI South Motors BMW 305 256 2200 Fax 305 253 3746 NAPLES Germain BMW of Naples 239 643 2220 Fax 239 643 2931 OCALA All Pro BMW of Ocala 877 343 4732 Fax 352 373 9363 PALM HARBOR Ferman BMW 727 785 3900 Fax 727 787 8727 PENSACOLA Sandy Sansing BMW 850 477 1855 Fax 850 479 2216 SAINT PETERSBURG Bert Smith International 727 527 1111 Fax 727 522 8512 SARASOTA Southpointe BMW 941 923 2700 Fax 941 923 0429 TALLAHASSEE Capital Eurocars Inc 850 574 3777 Fax 850 575 7898 TAMPA Reeves Import Motorcars Inc 813 933 2813 Fax 813 915 0310 WEST PALM BEACH Braman Motorcars 561 684 6666 Fax 561 697 5254 WINTER PARK Fields BMW 407 628 2100 Fax 407 628 0309 ALBANY BMW of Albany 229 883 2040 Fax 229 435 1505 ATHENS Athens BMW 706 549 5340 Fax 706 546 7928 ATLANTA Global Impo
6. 392 3059 WINSTON SALEM Flow BMW AKRON Dave Walter Inc 330 762 0791 Fax 330 762 4758 CINCINNATI Jake Sweeney BMW 513 782 1122 Fax 513 782 1123 CINCINNATI The BMW Store 513 271 8700 Fax 513 271 5264 COLUMBUS Kelly BMW 614 471 2277 Fax 614 475 1988 DAYTON Frank Z Imports 937 890 5323 Fax 937 454 3756 DAYTON Voss Village BMW 937 425 6844 Fax 937 425 6818 DUBLIN Midwestern BMW 614 889 2571 Fax 614 889 2877 MENTOR Classic BMW 440 255 6600 Fax 440 255 1796 MIDDLEBURG HEIGHTS Ganley BMW 440 845 9333 Fax 440 887 9122 NORTH CANTON Cain BMW 330 494 5588 Fax 330 494 4626 SOLON BMW Cleveland 440 542 0600 Fax 440 542 0100 TOLEDO Yark BMW 419 842 7900 Fax 419 843 2986 WARREN Prestan BMM OKLAHOMA EDMUND Jackie Cooper Imports Inc 405 755 3600 Fax 405 755 9069 TULSA Crown BMW BEAVERTON Kuni BMW 503 748 5460 Fax 503 748 5417 BEND Carrera BMW 541 382 1711 Fax 541 389 2144 EUGENE BMW of Eugene 541 342 1763 Fax 541 431 4300 MEDFORD Medford BMW 541 779 5071 Fax 541 774 8429 PORTLAND Rasmussen BMW 503 226 0380 Fax 503 273 4278 SALEM Delon BMW 570 343 1221 Fax 570 343 5209 412 741 9331 Fax 412 741 7760 814 237 5713 Fax 814 238 0154 610 399 6800 Fax 610 399 4193 TEXAS UTAH 615 850 4040 Fax 615 850 4000 AMARILLO Autoplex BMW 806 359 2886 Fax 806 359 2891 ARLINGTON Moritz BMW 817 436 5750 Fax 817 436 5768 AUSTIN DANN BMW of Austin PUERTO
7. 4197 Fax 518 785 4190 MAMARONECK Pace BMW 914 670 0011 Fax 914 670 0066 MOUNT KISCO Endurance Motorcars 914 666 5181 Fax 914 666 6973 NEW YORK BMW of Manhatten 212 586 2269 Fax 212 262 8722 NORTH SYRACUSE Burdick BMW 315 458 7590 Fax 315 458 7601 OYSTER BAY BMW of Oyster Bay 516 922 0930 Fax 516 922 0959 PORT CHESTER BMW of Greenwich 800 926 9727 Fax 914 798 6550 POUGHKEEPSIE BMW of The Hudson Valley 845 462 1030 Fax 845 462 3465 ROCHESTER Holtz House of Vehicles Inc 585 359 7373 Fax 585 359 7383 ROSLYN Rallye Motors LLC 516 625 1616 Fax 516 625 0055 SOUTHAMPTON BMW of The Hamptons 631 283 0888 Fax 631 283 0792 SPRING VALLEY Wide World of Cars LLC 845 425 2600 Fax 845 425 7387 ST JAMES Competition BMW of Smithtown 631 265 2208 Fax 631 265 0018 UTICA Carbone BMW 315 797 1520 Fax 315 734 0742 WILLIAMSVILLE Towne BMW 716 505 2100 Fax 716 505 2110 WHITE PLAINS Westchester BMW NORTH CAROLINA Performance BMW 919 942 3191 Fax 919 969 2313 CHARLOTTE Hendrick Motors 704 535 0885 Fax 704 531 3282 FAYETTEVILLE Valley Auto World 910 864 0000 Fax 910 864 7742 FLETCHER Fletcher Motor Company 866 561 4269 Fax 828 681 9948 GREENSBORO Crown BMW 336 323 3900 Fax 336 323 3850 HICKORY Hendrick Motors 828 322 5640 Fax 828 431 2404 KINSTON Sale BMW 252 522 3611 Fax 252 522 4441 RALEIGH Leith BMW 919 876 5432 Fax 919 790 1239 WILMINGTON Schaeffer BMW 910 392 2700 Fax 910
8. If a condition requires the MIL to be turned on according to the Federal Test Procedure FTP Incidents that could trigger the lamp because of FTP include A malfunction of a component that can affect the emission performance of the vehicle occurs and causes emissions to exceed 1 5 times the standards required by the FTP Manufacturer defined specifications are exceeded An implausible input signal is generated Catalyst deterioration causes HC emis sions to exceed a limit equivalent to 1 5 times the standard FTP Misfire faults occur A leak is detected in the evaporative system or purging is defective ECM fails to enter closed loop oxygen sensor control operation within a specified time interval Engine control or automatic transmis sion control enters a limp home operating mode Ignition is on KL15 position before cranking bulb check function Protocol The following chart shows when the MIL can be activated based on your customer s driving style Condition 1 A fault code is stored within the ECM upon the first occurrence of a fault in the system being checked Condition 2 The Malfunction Indicator Light will not be illuminated until the com pletion of the second consecutive cus tomer driving cycle where the previously faulted system is again monitored and a fault is still present or a catalyst damaging fault has occurred Condition 3 If the second drive cycle was not complete and the
9. RICO 512 343 3500 Fax 512 343 3525 BEAUMONT BMW of Beaumont 409 833 7100 Fax 409 833 3544 nana RMU BRYAN PENNSYLVANIA RHODE ISLAND Garlyn Shelton BMW ALLENTOWN Daniels BMW 877 820 4269 Fax 610 820 2990 BALA CYNWYD BMW of The Main Line 610 668 2200 Fax 610 667 4786 DEVON Devon Hill Motors 610 687 9350 Fax 610 687 9360 DOYLESTOWN Thompson BMW 215 340 9823 Fax 215 340 9361 ERIE New Motors Inc 814 868 4805 Fax 814 868 1996 FORT WASHINGTON West German BMW 215 643 3322 Fax 215 643 8706 JOHNSTOWN Laurel BMW 814 262 7028 Fax 814 266 7199 LANCASTER Faulkner BMW 717 569 4269 Fax 717 569 2736 LARKSVILLE Wyoming Valley Motors 570 288 7411 Fax 570 283 6501 MC MURRAY Bobby Rahal BMW of South Hills 724 941 7000 Fax 724 941 7632 MECHANICSBURG Sun Motor Cars BMW 717 697 2300 Fax 717 697 0836 MONROEVILLE A amp LBMW 412 373 6071 Fax 412 856 0114 MONTOURSVILLE Fairfield BMW 570 368 8121 Fax 570 368 8644 PITTSBURGH P amp W Foreign Car Service Inc 412 682 0788 Fax 412 682 3706 READING Dick Horrigan BMW 610 777 1500 Fax 610 775 9377 SCRANTON Newport Imports Inc 401 847 9600 Fax 401 848 5860 706 819 5356 Fax 706 442 4408 843 815 1500 Fax 843 815 1547 Rick Hendrick Imports 843 763 8403 Fax 843 763 8489 803 754 9241 Fax 803 754 7865 Fowler Motors Inc 843 347 4271 Fax 843 347 7762 Imports of Florence 843 662 8711 Fax 843 669 0064 BMW of Chattanooga 423 894 5660 Fax 423 89
10. control systems were not working properly the federal Environmental Protection Agency following the lead of California which has always been the pace setter in U S emission standards mandat ed that by 1989 carmakers develop and CHECK ENGINE While the Check Engine lamp has been around since the beginning of OBD for OBD Il its function has changed and it s referred to as a MIL Malfunction Indicator Lamp install a system that showed when there was a problem with anything aboard a vehi cle that could affect emissions BMW com plied with the federal mandate for OBD launched the era of the instrument panel Check Engine light that was turned on when the vehicle s computer detected a problem On a BMW the trouble or fault codes stored in the computer could be accessed by using the BMW 2013 and diagnostic units or by counting the flashes of the Check Engine or Service Engine Soon light using a key on engine off procedure The Check Engine light prompted drivers to have their vehicles serviced even if they didn t notice any problem with performance Every piece of diagnostic equipment that purports to be ll compatible must have this standardized connector These initial diagnostics monitored elec trical electronic components used in emis sion control especially the quality of sen sor signals but it was necessarily passive it had to wait for a problem to occ
11. is so common many late model BMWs have a warning light to advise the driver when the cap isn t secure OBD II Drive Cycle OBD II does not monitor all components all of the time Some functions are checked continuously while others are checked only once per drive cycle Systems that are continuously monitored include Misfire Detection The fuel system including the duration of injector opening pulse width Any electrical circuits and components directly related to emissions control including the engine control module the transmission control module and the electronic throttle control module Systems monitored only once per driving For example P Powertrain B Body C Chassis DTC Source O SAE 1 BMW System O Total System 1 Air Fuel Induction 2 Fuel Injection cycle will trigger a code and turn on the MIL after certain driving conditions are com pleted These systems specifically will not be checked if the engine is started and then shut off before reaching normal operating temperature Oxygen Sensor Function Secondary Air Injection System Catalytic Converter Function efficiency Evaporative Vapor Recovery System In a BMW different vehicle operations can qualify as a drive cycle For example the following checks will be done during these drive cycles During an engine cold start following by three minutes of idling OBD II will check the Secondary Air System and if equipped the Evaporative L
12. specific function was not checked as shown in the example the ECM counts the third drive cycle as the next consecutive drive cycle The Malfunction Indicator Light is illuminated if the function is checked and the fault is still present Condition 4 If there is an intermittent fault present and it does not cause a fault to be set through multiple drive cycles two complete consecutive drive cycles with the fault present are required for the Malfunction Indicator Light to be illumi nated Condition 5 Once the Malfunction Indicator Light is illuminated it will remain illuminated unless the specific function has been checked without fault through three complete consecutive drive cycles Condition 6 The fault code will also be cleared from memory automatically if the specific function is checked through 40 DRIVE DRIVE DRIVE CYGLE 3 CYCLE 1 CYCLE 2 DRIVE DRIVE CYCLE 4 CYCLE 5 DRIVE CYCLE 43 YES YES OFF YES NO OFF YES NO OFF YES YES OFF YES YES OFF YES YES ON YES NO ON YES NO ON YES NO OFF YES YES OFF YES YES ON YES NO ON consecutive drive cycles without the fault being detected or with the use of either the DIS MODIC or scan tool Because potential damage to the catalyst is so serious OBD II will not clear a misfire detection code unless 80 consecutive drive cycles occur without the fault being detected again Readiness Code With your scan tool you can check to see if the necessa
13. 4 7675 901 365 2584 Fax 901 365 2531 423 246 7421 Fax 423 224 2133 865 693 4555 Fax 865 691 3917 979 776 7600 Fax979 776 8203 CORPUS CHRISTI Coastal Motorcars LTD 361 991 5555 Fax 361 991 5791 DALLAS BMW of Dallas SOUTH CAROLINA 972 247 7233 Fax 972 243 0517 EL PASO BMW of El Paso 915 778 9381 Fax 915 779 8952 FORT WORTH Autobahn Imports LP 817 336 0885 Fax 817 339 8982 HARLINGEN Cardenas BMW 956 425 2400 Fax 956 421 3596 HOUSTON Advantage BMW 713 289 1200 Fax 713 289 1207 HOUSTON BMW of Houston North Woodlands 281 874 1553 Fax 936 271 3011 HOUSTON Momentum BMW 713 596 3100 Fax 713 596 3285 LUBBOCK Alderson European Motors 806 763 8041 Fax 806 742 8613 Bert Ogdon BMW SOUTH DAKOTA 956 631 6666 Fax 956 668 7701 ODESSA BMW of Permian Basin 432 580 5911 Fax 432 580 8161 RICHARDSON Classic BMW 972 918 1100 Fax 972 680 1508 SAN ANTONIO BMW Center 210 732 7121 Fax 210 785 2811 THE WOODLANDS BMW of Houston N in The Woodlands 866 498 2154 Fax 936 271 3069 TEMPLE Garlyn Shelton Imports 254 771 0128 Fax 254 771 3378 TYLER Mike Pyle BMW 903 561 7049 Fax 903 534 9484 WICHITA FALLS BMW of Wichita Falls 940 322 5451 Fax940 322 4207 MURRAY ARLINGTON BMW of Arlington 703 684 8500 Fax 703 549 4210 CHARLOTTESVILLE BMW of Charlottesville 434 979 7222 Fax 434 984 1139 FAIRFAX BMW of Fairfax 703 560 2300 Fax 703 560 8931 LYNCHBURG Hammersley BMW 434 385 6226 Fax 434 385 0
14. 5 MONROE Hixson Autoplex 318 388 3300 Fax 318 361 5851 SHREVEPORT Orr BMW 318 797 0700 Fax 318 797 8308 WESTBROOK Bill Dodge BMW 207 854 3200 Fax 207 854 3210 ANNAPOLIS Tate BMW 10 219 Q 110 2 10 N MARYLAND BALTIMORE Russel BMW 410 744 2000 Fax 410 744 5639 BEL AIR BMW of Bel Air 866 882 1269 Fax 443 640 1234 MARLOW HEIGHTS Passport BMW 301 423 2700 Fax 301 423 8936 OWINGS MILLS Northwest BMW 410 902 8700 Fax 410 363 7749 ROCKVILLE Vob Auto Sales 301 984 8989 Fax 301 984 0798 SILVER SPRING Tischer BMW of Silver Spring 301 890 3000 Fax 301 890 9230 TOWSON BMW of Towson A10 206 7008 ay A1 206 AS MASSACHUSETTS BOSTON Herb Chambers BMW 617 731 1700 Fax 617 731 1555 HYANNIS Trans Atlantic Motors Inc 508 775 4526 Fax 508 771 6113 NATICK Foreign Motors West 800 338 3198 Fax 508 881 7578 NORWOOD BMW Gallery 781 762 2691 Fax 781 762 6787 PEABODY BMW of Peabody 978 538 9900 Fax 978 538 9911 PITTSFIELD Flynn BMW 413 443 4702 Fax 413 442 4515 SHREWSBURY Wagner BMW of Shrewsbury 508 845 0505 Fax 508 869 3398 WEST SPRINGFIELD Bmw of West Springfield ANN ARBOR BMW of Ann Arbor 734 663 3309 Fax 734 663 0685 BLOOMFIELD HILLS Erhard BMW of Bloomfield Hills 248 642 6565 Fax 248 642 6517 FARMINGTON HILLS Erhard BMW of Farmington Hills 248 306 6801 Fax 248 699 3003 GRAND BLANC Grand Blanc BMW 810 695 4400 Fax 810 695 8027 GRAND RAPIDS Sharpe BMW 616 452 5101 Fa
15. 588 9985 MODESTO Valley B 209 d 0269 Fax 209 550 2633 MONROVIA Assael 626 358 69 Fax 626 358 2325 MOUNTAIN VIEW BMW of Mountainview 650 943 1000 Fax 650 943 1038 ier Sterling 949 645 2900 Fax 949 515 1638 NORTH HOLLYWOOD Century West BM 818 432 5800 818 761 0889 NORWALK McKenna BM 562 868 di Fax 562 345 7370 OCEANSIDE Continental Motors 760 722 1868 Fax 760 941 2752 ONTARIO Savage BMW 909 390 7888 Fax 909 605 9689 PALM SPRINGS BMW of Palm Springs 760 324 7071 760 324 9222 East 925 463 925 463 2116 RIVERSIDE BMW of Riverside 909 785 4444 Fax 951 352 5760 ROSEVILLE BMW of Roseville 916 782 9434 Fax 916 969 5418 SACRAMENTO Niello BMW 916 486 1011 Fax 916 487 4305 SAN DIEGO BMW of San Diego 858 560 5050 Fax 858 560 5919 SAN FRANCISCO BMW of San Francisco 415 626 7600 Fax 415 241 7944 SAN LUIS OBISPO Coast BMW 805 543 4423 Fax 805 543 7669 SAN MATEO Peter Pan BMW 650 349 9077 Fax 650 349 0148 SAN RAFAEL Sonnen BMW 415 482 2000 Fax 415 482 2020 SANTA ANA Crevier BMW 714 835 3171 Fax 714 568 1148 SANTA BARBARA BMW of Santa Barbara 805 682 2000 Fax 805 563 9158 SANTA CLARA Stevens Creek BMW 408 249 9070 Fax 408 296 0675 SANTA MARIA BMW of Santa Maria 805 928 7744 Fax 805 449 9126 SANTA MONICA Santa Monica BMW 310 829 3535 Fax 310 828 4598 SANTA ROSA Prestige Imports 707 545 6602 Fax 707 523 2600 SEAS
16. 642 NEWPORT NEWS Casey BMW 757 591 1300 Fax 757 591 1327 RICHMOND Richmond BMW 804 346 0812 Fax 804 747 8578 ROANOKE Valley BMW 540 342 3733 Fax 540 345 9060 STERLING BMW of Sterling 571 434 1944 Fax 571 434 7722 VIRGINIA BEACH VERMONT SHELBURNE BELLEVUE BMW of Bellevue 425 643 4544 Fax 425 643 1027 SEATTLE BMW Seattle 206 328 8787 Fax 206 777 1354 SPOKANE Camp BMW 509 458 3288 Fax 509 755 0251 TACOMA BMW Northwest 253 922 8700 Fax 253 922 0180 YAKIMA WEST VIRGINIA SAINT ALBANS APPLETON Enterprise BMW 920 749 2020 Fax 920 749 2030 GLENDALE Concours Inc 414 290 4250 Fax 414 290 4242 MADISON Zimbrick BMW 608 443 3900 Fax 608 442 1804 WEST ALLIS International Autos 414 543 3000 Fax 414 543 2804 The help you need is here BASF s family of SmartTOO S Is the new breed of electronic tools They put the power of today s technology to work for you These integrated products are all extremely easy to use Once you get started you ll see that the SmartTOOLS family is the smart way to increase productivity and strengthen your bottom line For mora information please contact the BASF Call Center at 1 800 825 3000 or visit us online at www basfrefinish cor Halping Make Products Better O BASF The Chemical Gompary HEHH Original Thought 12 You can t repair your reputation When you repair a BMW use the parts that are identical to those used in Series pr
17. BMW 732 462 0042 Fax 732 577 0518 LEBANON Hunterdon BMW 908 236 6302 Fax 908 236 2934 MARLTON Desimone BMW Ltd 856 983 8400 Fax 856 983 5205 MAYWOOD Park Avenue BMW 201 843 8112 Fax 201 843 3251 MORRISTOWN Morristown BMW 973 455 0700 Fax 973 455 0273 MOUNTAIN LAKES Denville BMW 973 627 0700 Fax 973 402 7805 NEWTON Bell BMW 973 579 2600 Fax 973 579 3062 PLEASANTVILLE Marty Sussman Inc 609 641 1900 Fax 609 641 9233 PRINCETON Princeton BMW 609 945 1010 Fax 609 452 7103 RAMSEY Prestige BMW 201 327 2525 Fax 201 327 4921 SPRINGFIELD JMK Auto Sales 973 379 7744 Fax 973 379 3896 TENAFLY Difeo BMW 201 568 9000 Fax 201 568 5301 TURNERSVILLE BMW of Turnersville 856 629 5500 Fax 856 629 0120 WAYNE Paul Miller BMW 973 696 Fax 973 696 02 ALBUQUERQUE Sandia BMW 505 881 9461 Fax 505 217 0289 SANTA FE Santa Fe BMW N EVADA LAS VEGAS Desert BMW of Las Vegas 702 871 1010 Fax 702 564 5849 RENO Bill Pearce BMW BROOKLYN Life Quality Motor Sales Inc 718 272 0555 Fax 718 272 3957 DOUGLASTON BMW of Bayside 718 229 3636 Fax 718 428 8222 ENDICOTT Gault Auto Sport 607 748 8244 Fax 607 484 9073 FREEPORT Hassel BMW 516 223 6160 Fax 516 223 6224 GLENMONT Capital Cities Imported Cars 518 463 3141 Fax 518 463 3193 HARRIMAN Orange County BMW 845 446 4714 Fax 845 446 4768 HUNTINGTON STATION Habberstad BMW 631 271 7177 Fax 631 421 5345 LATHAM Keeler Motor Car Company 518 785
18. Completely assembled from components and not just repaired N Ew Fully performs as new unit QUALITY RELIABILITY AND VALUE The quality reliability and value of the Original BMW Remanufactured A C Compressor wasn t meant to be taken lightly It is not only an exact replacement for the original unit it s also remanufactured and tested to meet the same strict v specifications as the original so it performs just as well And like all remanufactured parts it s covered by a two year warranty In fact the only detectable difference you ll find between a Original BMW Remanufactured A C Compressor and a new one is the price Which we re sure you ll find quite refreshing IT S ALL IN THE PROCESS Remanufacturing Process Original BMW 1 Dismantle core 2 Replace key 3 Test all 4 Replace Assemble anc clean all components 100 other critical components that test compoenents with new OE part components do nat meet specs and box Rebuilt Process Typical Aftermarket cum 1 leercify damaged 2 Replace damaged 3 Re azzemble part or parts part with none test and box part and clean TURED A G COMPRESSORS Remanufactured for BMW by DENSO Available oniy through poor loca BWW Dealer Continued from page 15 For example in an oversteer condition of the vehicle is exactly on the direction with the rear end sliding to the left driver s of travel the amount of yaw is zero If the side DSC applies br
19. IDE My BMW 831 899 5555 Fax 831 899 0957 SHERMAN OAKS Center BMW 818 990 9518 Fax 818 933 6978 SIGNAL HILL Long Beach BMW 562 427 5494 Fax 562 595 8547 THOUSAND OAKS Rusnak BMW 805 496 6500 Fax 805 496 0955 TORRANCE South Bay BMW 310 939 7304 Fax 310 793 9387 VALENCIA Valencia BMW 661 254 8000 Fax 661 254 8187 VISALIA Surroz BMW 559 732 4700 Fax 559 625 8828 BOULDER Gebhardt Motors Inc 303 447 8000 Fax 303 545 5914 COLORADO SPRINGS Phil Winslow BMW 719 473 1373 Fax 719 473 1975 DENVER Murray Motor Imports 303 759 2060 Fax 303 759 2533 LITTLETON Ralph Shomp BMW 303 798 3737 Fax 303 798 7954 LOVELAND Co s BMW Center 970 292 5751 Fax 970 272 5715 CONNECTICUT BRIDGEPORT BMW of Bridgeport 203 334 1672 Fax 203 330 6070 DARIEN Continental BMW of Darien 203 656 1804 Fax 203 656 1802 GREENWICH BMW of Greenwich 203 661 1725 Fax 203 869 2707 HARTFORD New Country Motor Cars Inc 860 522 6134 Fax 860 549 8667 NEW LONDON BMW of New London 860 447 3141 Fax 860 447 8159 NORTH HAVEN BMW of North Haven 203 239 7272 Fax 203 234 9502 RIDGEFIELD RidgefieldBMW 203 438 0471 Fax 203 431 7821 WATERTOWN BMW of Watertown 860 274 7515 Fax 860 274 7714 DELAWARE MILFORD 1 Burton amp Co Inc 302 424 3042 Fax 302 424 6450 WILMINGTON Union Park BMW 302 658 7245 Fax 302 573 5201 FLORIDA COCONUT CREEK Vista Motor Company 954 935 1888 Fax 954 935 1880 DAYTONA BEACH Daytona BMW
20. PRINGFIELD Isringhausen Imports 217 528 2042 Fax 217 528 8146 WESTMONT Laurel BMW of Westmont 630 654 5400 Fax 630 323 2450 EVANSVILLE D Patrick Motoplex 812 473 6500 Fax 812 471 7767 FORT WAYNE Tomkinson Automotive 260 436 9000 Fax 260 432 6593 INDIANAPOLIS Dreyer amp Reinbold Inc 317 573 0200 Fax 317 573 0208 LAFAYETTE Bill Defouw BMW 765 449 2884 Fax 765 449 2880 SCHERERVILLE Levin BMW 219 922 2222 Fax 219 922 2232 SOUTH BEND Basney BMW 574 272 8504 Fax 574 271 9104 CEDAR RAPIDS Bob Zimmerman BMW 319 366 4000 Fax 319 364 6972 DAVENPORT Kimberly BMW of Davenport 563 391 8300 Fax 563 391 0526 DUBUQUE Dan Kruse BMW 563 583 7345 Fax 563 583 7349 URBANDALE BMW of Des Moines 515 278 4808 Fax 515 278 4371 MERRIAM Baron BMW 913 722 5100 Fax913 722 5192 OVERLAND PARK Baron BMW 913 722 5100 Fax913 722 5192 TOPEKA Sunflower BMW 785 266 8480 Fax 785 266 3602 WICHITA Joe Self BMW 316 689 4390 Fax 316 689 4399 KENTUCKY BOWLING GREEN BMW of Bowling Green 270 745 0001 Fax 270 745 9040 LEXINGTON Don Jacobs BMW 859 276 3546 Fax 859 278 0723 LOUISVILLE Sam Swope BMW 502 499 5080 Fax 502 499 4476 PADUCAH Bluegrass BMW 270 444 6632 Fax 270 442 9765 LOUISIANA ALEXANDRIA Walker BMW 318 445 6421 Fax 318 449 4682 BATON ROUGE Brian Harris BMW 225 754 1200 Fax 225 751 5351 KENNER Peake BMW 504 469 6165 Fax 504 464 3028 LAFAYETTE Moss Motors Inc 337 235 9086 Fax 337 233 499
21. R1 A5S 360R GM5 and A5S390R GM5 If the vehicle has a ZF automatic things are not as simple Check the transmission ID carefully to make sure you use the correct ATF ZF 3 HP22 4HP22 and 4HP24 trans missions require Castrol TQ or Havoline Dexron Ill The A5S 310Z 5HP18 used on the 1995 1999 M3 uses Esso LT 71141 synthetic ATF available as BMW P N 83 22 9 407 807 The A5S 310Z 5HP18 used on the 1993 1995 520i iT uses Castrol TQ or Havoline Dexron Ill A5S325Z 5HP19 takes Esso LT 71141 synthetic ATF 55 4407 5HP24 transmission Esso LT 71141 synthetic ATF The A5S 560Z 5HP30 used on the 840ci with the M60 engine the 740i il from 1993 to 1994 the 540i iT from 1993 to 1995 takes Shell LA 2634 available as BMW P N 83 22 9 407 765 The A5S 560Z 5HP30 used on the 840Ci equipped with the M62 engine and the 850Ci with the M73 engine 805Ci from 10 94 to 6 97 840Ci from 12 95 to 8 96 750iL from 1 95 to present 740i iL 7 94 to 12 96 540i iT 3 96 to 12 96 requires Esso LT 711 41 GA6HP19Z GA6HP26Z and GA6HP26Z automatics require Shell M 1375 available from BMW as P N 83 22 0 142 516 Although the variations in ATF can be confusing pay close attention to the trans mission model and application so you use the right fluid BMW states that only the specified ATF must be used and that ATFs cannot be mixed Check the owner s or service manual for ATF change intervals Many BMW auto
22. SAE 5W 10W 20W For warm weather use viscosity is tested at 210 degrees F and the rating is just a number with no let ter behind it So we have SAE 20 30 40 and 50 Back in the day many petroleum based oils were single viscosity Motorists in the snow belt used a low winter viscosity oil during the cold months and switched to a high viscosity oil for warm weather driv ing Very few single viscosity oils are sold anymore In fact BMW in its oil recommendations states that because of the limited performance of single viscosity oils they are no longer used in BMW engines and thus no longer listed in the BMW Engine Oil Temperature Viscosity Table BMW High Performance Synthetic Oil has a 5W 30 viscosity The 5W means that at cold temperatures the oil flows easily The 30 rating indicates that the oil maintains a thick consistency at high temperatures to provide optimal protection after the engine reaches operating temperature Before converting any engine from con ventional to synthetic however you should make sure there are no oil leaks Because synthetics are more slippery than con ventional oils a leak with petroleum based oil can become a gusher with synthetics For maximum protection sell your cus tomer an engine cleaning and a black light dye test to spot any leaks before converting from mineral based to synthetic oil Obviously fix any leak before making the oil switch On the questi
23. TECHDRIVE VOLUME 3 NUMBER 2 FE A PUBLICATION FOR INDEPENDENT BMW SERVICE PROFESSIONALS 2006 NE eee ra LT 3 i H TECHDRIVE Magazine The Ultimate Driving Machine OBD II DYNAMIC STABILITY CONTROL FLUIDS TO OUR READERS What could be more useful to independent service technicians who work BMWs than publication dedicated specifically them That s the idea behind the magazine you re holding TECHDRIVE BMW of North America both sponsors the publication and provides much of the information that s included A big part of the rationale behind TECHDRIVE is the belief that if you are able to diagnose repair and maintain BMW vehicles properly and efficiently your reputation and ours will be enhanced TECHDRIVE s combination of feature service articles written from both BMW tech information and interviews with successful independent BMW specialists new technical developments systems evolution as well as the correct BMW replacement part and service bulletins are intended to help you fix that BMW right the first time on time Our list of BMW dealers will assist you in finding Original BMW Parts There s more to this effort including highly informative and user friendly web sites which we ll explain in future issues We want to make TECHDRIVE the most useful and interesting technical magazine you receive and you can help us do that Pl
24. W of Montgomery 334 279 6955 Fax 334 272 0023 TUSCALOOSA Townsend BMW 205 345 9811 Fax 205 345 1701 ARKANSAS LITTLE ROCK BMW of Little Rock 501 224 3200 Fax 501 907 0904 ROGERS BMW of Northwest Arkansas 479 636 4155 Fax 479 631 7803 ARIZONA PHOENIX BMW North Scottsdale 480 538 3900 Fax 480 538 3915 SCOTTSDALE Chapman BMW 480 949 7600 Fax 480 947 0350 TUCSON Don Mackey BMW 520 748 1333 Fax 520 748 0716 CALIFORNIA ALHAMBRA New Century BMW 626 570 8444 Fax 626 2821 8642 BAKERSFIELD BMW of Bakersfield 661 835 8900 Fax 661 835 0486 BERKELEY Weatherford BMW 510 654 8280 Fax 510 841 3022 BEVERLY HILLS Beverly Hills BMW 310 358 7880 Fax 310 657 4671 BUENA PARK Shelly BMW 714 994 8100 Fax 714 994 8104 CALABASAS Bob Smith BMW 818 346 3144 Fax 818 598 2983 CAMARILLO Steve Thomas BMW 805 482 8878 Fax 805 484 7867 CHICO Courtesy Motors 530 893 1300 Fax 530 342 7901 CONCORD BMW Concord 925 682 3577 Fax 925 671 4067 EL CAJON Cunningham BMW 619 442 8888 Fax 619 440 3876 EN Harloff BM 760 753 6301 Fax 760 944 6749 ESCONDIDO Brecht BMW 760 745 3000 Fax 760 745 2180 EURE BMW Haba Bay 707 443 4871 Fax 707 443 7808 FREMONT BMW of Fremont 888 346 8032 Fax 510 360 5930 FRESNO Weber BMW 559 447 6700 Fax 559 447 6705 GLENDALE Pacific BMW 818 246 5600 Fax 818 246 8261 ME d Irvine B 949 380 1200 Fax 949 382 8140 LOS ANGELES Nick Alexander Imports 323 583 1901 Fax 323
25. aking force only to the rear end has swung around so that the left rear wheel the right rear continues to center line of the vehicle is at right roll unimpeded This effectively causes the angles to the direction of travel the car rear end of the car to pivot at the left rear is literally going sideways the yaw value corner the left wheel is stopping while is 90 degrees The greater the yaw the the right rear wheel keeps going The rear more out of control the vehicle is DSC of the car stops skidding to the left so that responds very quickly when yaw the direction of travel isn t veering alarm increases because if the yaw is too great ingly toward the right as it would if the rear it may be impossible to prevent a end let go altogether When the car is again complete loss of control and spin out pointing in the direction the driver wants to A brake light sensor that determines if go DSC releases all braking pressure the driver is applying the brakes Understeer is the opposite of oversteer A brake pressure sensor that monitors and DSC applies the opposite corrective how hard the driver is applying the action Instead of applying brake force to brakes the outside wheel it brakes the inside Readings from the wheel speed sensor wheel to force the car to pivot into the vehicle speed sensor lateral accelera curve effectively making it turn more tion sensor and the yaw sensor tell the DSC has been continually refined since DSC
26. an use any reputable brand of mineral based transmission or gear lube oil with a SAE 80 viscosity rating The lube must meet a MIL L 215 and or API GL 4 rating For 325e and 528e manual transmis sions produced before mid 1986 and without a dual mass flywheel use Mobil SHC 630 synthetic transmission fluid These transmissions should have a green label Special Oil affixed next to the oil drain plug Dexron Ill can be used on manual trans missions with dual mass flywheels direct drive 5th gear after 9 90 or on six speed transmissions These trans missions will have an orange label on the bell housing that reads ATF Oil Automatic Transmission Fluid On some 1998 cars if there is a yellow label MTF LT 1 use Exxon MTF LT 1 lifetime fluid Always use the transmission lube recom mended by BMW No other brands are approved And never use a synthetic trans mission lube in a manual transmission unless specifically called for Premature wear will result because the synchronizers in other transmissions are not compatible with synthetic oil there will not be enough friction present for the blocking rings to do their job ATF If the vehicle has one of the General Motors automatic transmissions used by BMW the fluid choice is easy any quality brand of Dexron lll No other fluid is approved for the GM automatics GM trans mission can be identified by the following codes A4S 270R THM RIW A4S 310R THM
27. antifreeze doesn t say Long Life anywhere on the jug the fact is that if the car s cooling system main tenance is neglected there will be less damage from corrosion and clogging than would be the case with a less sophisticated formula BMW s engineers are prudent where maintenance is concerned So they re sticking with the sensible recommendation that the coolant be changed every three years for maximum protection Sound wis dom in our opinion and something you can easily justify to your customers The one gallon container carries Part Number 82 14 1 467 704 You can mix with other brands for top ping off but only if the other product does not contain any nitrites or phosphates nor has a high silicate formulation so read the label carefully The factory fill is the standard 50 coolant 50 water mixture which protects down to 340 F 370 C In severely cold areas where 340 F 370 C isn t enough you can increase the mixture to 60 coolant 40 water which protects to 620 F 520 C Or you could consider moving Under no circumstances should you ever exceed a 60 coolant 40 water ratio Ironically mixtures with more than 60 coolant actually reduce not increase freezing protection By the way it s very important to go the extra mile for your customers and use only distilled or de ionized water in the mix This will differentiate you from your com petitors and will go a long way in prevent ing de
28. ar Oil that thins out too much when hot won t provide proper film strength BMW synthetic oil maintains a very consistent viscosity It will flow smoothly during a cold start up and still provides excellent lubrication at very high temperatures Resist oxidation Any oil synthetic or petroleum will fail if it becomes oxidized To prevent oxidation the additives added to oils during refining contain an oxida tion inhibitor These inhibitors work better in synthetic oil Because synthetic oil works so well should you recommend it to customers with older prior to 1999 BMWs The answer is a qualified yes On 1980 or older models there can be serious problems with the engine seals because synthetics are not compatible with some obsolete types of seals For these vehicles don t use a synthetic if the seals have not been replaced Seals made after 1980 are compatible with synthetic oils Through Thick and Thin Viscosity is a rating of how smoothly oil pours at dif ferent temperatures In the United States viscosity rat ings are based on test procedures developed by the Society of Automotive Engineers SAE A low viscosi ty number indicates a thin oil that flows easily A high viscosity number means the oil is thick and will resist breakdown at high temperatures SAE has two viscosity test procedures The winter viscosity value is measured at 0 degrees F and has a W after the number as in
29. ch No matter how many driving schools a motorist might attend he or she will never be able to make the kind of corrections that DSC does automatically and instantaneously ABS AST and DSC DSC is built on the foundation established by anti lock brake and all season traction ABS and AST systems ABS and AST essentially keep a BMW pointed straight ahead by eliminating both wheel lockup or wheel spin that can cause unintentional swerving DSC is the next step in control helping to stabilize the vehicle as the driver makes a turn especially at high speeds Just as ABS pumps the brakes to pre vent wheel lockup faster than any human being ever could DSC corrects loss of con trol by electronically turning into a skid more effectively than is humanly possible The stability system is so fast it corrects problems before many drivers even realize they are on the verge of losing control especially when road conditions are poor because of rain snow ice etc DSC works at all times no matter if the vehicle is accelerating braking or main taining a constant speed It is effective on rough roads and slick surfaces The system works with any tires recommended by BMW for the vehicle but all four tires should be the same make style and have equal inflation and about the same mileage so that grip is equal on all four corners Any difference in tire adhesion caused by mix ing sizes brands or very new tires with older tir
30. d many options when it came time to buy a vehicle but they selected a BMW because they wanted to enjoy its amazing performance Just as your customers specifically picked a BMW to be their car they specifi cally selected your shop to ensure that their BMW passion is a long term relationship They count on you to keep their BMWs in optimal condition ready to go at any time wherever they want for as long as they are an owner To fulfill the trust they ve placed in you requires that you do more than just follow recommended service intervals You are also responsible for using the oils lubri cants and other fluids specified by BMW These fluid recommendations didn t just materialize out of thin air As part of its ongoing commitment to continually raising the performance bar BMW engineers invested long hours running demanding test procedures to evaluate many different products And the BMW engineers didn t work alone They often shared testing and analysis duties with their counterparts from the fluid manufacturers and refiners With an attention to detail that matches BMW s approach to designing and building cars this product testing has resulted in a very specific set of recommendations on what works best in a BMW To cut corners or deviate from any recom mended fluid could compromise the per formance reliability and longevity your cus tomers expect from their vehicles Make sure every fluid you use meets BMW s standards
31. e of synthetic and it isn t even the greatest advantage Many different tests are done to evaluate engine oil performance including anti wear resistance to oxidation and sludge formation ability to keep the internal parts clean and viscosity consistency which is a measure of how well oil maintains its vis cosity rating over a wide range of tempera tures In every performance test synthetics beat mineral or petroleum based oils Oil At Work If lubrication and or friction reduction was oil s only job it would be relatively easy to produce and refine oil But at the same time oil is lubricating it must also Clean the engine by holding microscopic contaminants in suspension until the particles can be trapped and held in the oil filter Reduce internal engine temperature by absorbing and redistributing heat energy Seal the spaces between the piston grooves rings and cylinder walls as the piston travels up and down Reduce engine wear by cutting friction and absorbing the impact force between the connecting rod bearings and crankshaft rod journals when the piston changes its direction of travel Cling to internal surfaces to provide lubrication and protection during start up until the oil is flowing normally Maintain viscosity at a wide range of temperatures Oil that gets too thick when it s cold won t be able to flow swiftly and smoothly enough during start up causing rod knock and rapid we
32. eak Detection system During steady driving between 20 and 30 mph for about four miles OBD II will check the oxygen sensors response time and switching time crossover after the engine reaches operating tempera ture and goes into closed loop operation Sequentially numbered fault identifying individual components or circuits 3 Ignition System or Misfire 4 Auxillary Emission Control 5 Vehicle Speed amp Idle Control 6 Control Module Inputs Outputs 7 Transmission 00 99 The alpha numeric structure of any OBD II DTC Steady driving at 40 to 60 mph for about 15 minutes will allow the OBD II to check catalytic converter efficiency and further check the oxygen sensors response and switching times e f the engine is idled for about five min utes a tank leak diagnosis will be done These drive cycle tests will be interrupted if Engine speed exceeds 3 000 RPM Vehicle speed exceeds 60 mph There are wide fluctuations in engine speed The ability to cover all types of drive cycles within one trip depends on how closely the driver sticks to the criteria for each test phase Lighting the MIL On a BMW the MIL will be illuminated under the following conditions After completing the next consecutive driving cycle where the previously fault ed system is monitored again and the emissions relevant fault is again present Immediately if a catalyst damaging fault occurs misfire detection
33. ease email us at editor techdrivemag com and let us know what topics you d like to see covered and provide any other comments you might have With your involvement this publication can evolve into one of your most important tools Thanks for your continued interest For more information please email us at editor techdrivemag com TECHDRIVE VOLUME 3 NUMBER 2 A PUBLICATION FOR INDEPENDENT BMW SERVICE PROFESSIONALS MAY 2006 FEATURE ARTICLES Group Publisher S Christopher M Ayers Jr A cayers cmacomm com 5 w HAPPY BIRTHDAY Emission control system Editorial Director becomes diagnostic tool Bob Freudenberger freud cmacomm com Editor Fred Gaca fgaca aol com Project Director Patrick Fennell patrick fennell bmwna com KEEP THE RUBBER ON THE ROAD DSC prevents loss of control Art Director Jef Sturm jsturm cmacomm com Production Manager Devon Ayers dayers cmacomm com USE THE RIGHT JUICE It s best to follow BMW s requirements use the best Circulation Manager Joann Turner jturner cmacomm com List Consultant NFocus ORIGINAL BMW PARTS NEARBY Wherever you are in the United States there s a nearby source of Original BMW Parts for your customers BMW vehicles TECHDRIVE is a publication sponsored by BMW of North America LLC No part of this newsletter may be reproduced without the express written permission of BMW of North America LLC Editorial and Ci
34. en goes off sev eral drive cycles later indicates the system no longer senses the original problem After a trouble code is stored in the sys tem memory if does not see the problem for three consecutive cycles the MIL will be turned off If OBD II does not see the problem for three consecutive cycles the MIL will be turned off You should remind your customers that the MIL is different from the oil pressure or engine temperature warning lamps When those warnings are illuminated the driver must safely pull over as quickly as he or she can turn off the engine and get help The MIL only indicates that this BMW needs service but the driver doesn t have to stop immediately When the MIL comes on the motorist should call you to make an appointment to bring the car in for diagnosis Misfiring is definitely taboo so when ever you find a spark plug with a large gap or fouling that s probably the cause of the flashing MIL In fact you can build good will with your customers by instructing them on how to fix the most common fault detected by OBD II a loose gas OBD II will turn on the MIL if the system senses gas vapors escaping into the atmosphere because the cap isn t on Tell your customers to make sure the fuel cap is secured if the MIL comes on especially if they have just refu eled Tightening the cap should cause the MIL to go out within a few drive cycles The loose gas cap problem
35. es reduces the effectiveness of not only DSC but also ABS and AST Mild oversteer and understeer conditions are not inherently bad In fact slight over steer or understeer may be desirable depending upon the road surface and driv ing conditions The ability to recognize and respond to mild oversteer and understeer is one of the marks of a skilled driver So driv ers who are trained and experienced in handling near the limits of control may not need DSC Some drivers may think they can do a better job controlling the vehicle than any electronic system Even the great est driver however cannot do what DSC does regulate braking at each wheel indi vidually to correct a problem So even for a skiled driver DSC is an important safety backup system To appeal to all owners BMW allows driv ers the choice of using DSC or not The system is normally on but can be turned off when a driver wants full manual control over vehicle handling On the Z4 and E90 series BMW even offers Directional Traction Control DTC a midpoint setting between off and on The DTC mode allows partial DSC operation without full system control DSC on the job The first generation DSC introduced in 1995 was programmed to monitor the rotational speed of each front wheel vehi cle speed and how much the driver had turned the steering wheel In addition to the sensors the system shared the hydraulic modulator with the ABS to regulate braking
36. in a BMW is especially important if you haven t made the investment in the BMW GT1 diagnos tic tool If you re working without benefit of the GT1 OBD l s capabilities are especially important Historical perspective When the first emission control standards were imposed in the 1960s PCV was fed erally required for the 1963 model year and on into the 1970s carmakers initially relied on mechanical systems to meet the standards As anyone who drove or serv iced cars of that era knows mechanical technology to control emissions left a lot to be desired Vehicles ran hot got terrible gas mileage and had anemic performance The myriad of different systems and the spaghetti of vacuum lines made service frustrating work As emission levels got stricter electronic and computer controlled systems were needed to monitor exhaust gases and adjust both ignition and fuel to limit harmful emissions The more sophisticated electronic tech nology allowed manufacturers to meet strict standards but there was a problem Emissions remained within regulated limits as long as everything was working proper ly But a problem in any system could send emission output soaring Unless the defect had a severe impact driveablity motorists would not notice that anything was wrong They would continue operating their vehi cles even though they pumped out unac ceptably high levels of pollution To ensure that drivers knew when their emission
37. ing Inputs from procedure for the year make model and this sensor help regulate the corrective code braking force that DSC applies As lateral Based on informal surveys of dealership acceleration increases more braking and independent shop technicians the force must be applied most common DSC problems that do A yaw sensor to measure vehicle occur are sensor failures typically the yaw rotation From a bird s eye view looking sensor Electrical problems such as inter straight down on a car if the centerline mittents or open circuits are rare m OEE Mr SAL VE LE EE E E Packaaed for Pe formance a Yd hr a 19 41 r a IIIa LI L a BE er h lire BMW vehicles are engineered for optimum performance So why would you accept less than that very same engineering for anything that goes under your customer s hood Our High Performance Ignition Wire Sets are custom designed for each BMW madel ta ensure optimum performance and an exact fit Contact your authorized BIW Center for specific model information ei g r i BRT AG CHISTES Tha Drhing Machine FEATURE ARTICLE Use The Right Juice It s best to follow BMW s requirements use the best This is what you should see if you follow BMW oil change recommen dations Your customers are passionate about The Ultimate Driving Machine They ha
38. n in then suddenly see debris on your side of the center line You cut the wheels to the right too much too fast and the rear end begins to swing out But as quickly as the rear starts to move the car stabilizes Instead of spin ning out the rear end stops moving tucks back into place and you continue driving as if nothing happened Did your guardian angel suddenly take control of the car and maneuver you out of danger Well sort of But this guardian angel isn t spiritual it is man made You have just experienced BMW s Dynamic Stability Control DSC system in action The technology continuously monitors the vehicle s position as it travels down the road and immediately corrects potentially dangerous understeer and oversteer by selectively regulating braking force to indi vidual wheels and reducing engine speed Most of the time on the highway vehicle speeds are slow enough and road condi tions are good enough that it is relatively easy to control a car especially a BMW However when the combination of speed road conditions and steering wheel input causes the tires to lose their grip under steer or oversteer can occur With under steer the vehicle slides toward the outside of the curve With oversteer the back end comes around and could put the vehicle into a complete spin Without training most drivers don t rec ognize potential out of control situations early enough to do anything to avert dis as
39. oduction and just as reliable Choose Original BMV Parts Because you only get one chance at a first repair Cia rial Ma Pais um Qoo BMW Parts rs harried Eri Tas LU rena Iter nog Photos are for illustrative purposes only and are based upon the latest information available European vehicles or product may be shown Vehicles may also be pictured with non US or optional equipment We make reasonable efforts to provide accurate information but we do not provide a warranty of accuracy Consult your authorized BMW center or www bmwusa com for more information 2006 BMW of North America LLC The BMW name and logo are registered trademarks All rights reserved
40. on of using any aftermarket oil additives BMW is again very clear don t do it According to BMW The use of engine oil additives is not recommended and not necessary on BMW engines Coolant BMW is fairly liberal on coolant use requiring only that all cooling systems be filled with a reputable brand name ethyl ene glycol long term antifreeze having cor rosion inhibitors that are compatible with aluminum radiators But this becomes a risk for you and your reputation because now some aftermarket manufacturers selling generic antifreeze with essentially the same formu la as the troublesome one used in certain domestic cars that everybody in the auto service business has heard of and making the same claims about extended change intervals The exclusively formulated antifreeze that BMW specifies and makes available through its dealerships parts departments is a different story It s an ethylene glycol based silicated OAT Organic Acid Technology formula which contains no nitrates or phosphates and has been chemically designed to prevent excessive silicate dropout Also the silicates leave an anti corrosive coating on metal that remains even if the coolant level should be allowed to drop Give your customers optimal cooling system protection by using only BMW brand coolant The standard 50 50 mix is correct unless your customers vehicles are exposed to extremely cold weather While genuine BMW
41. ossibility of being employed in the future Scan tools can be from any aftermarket manufacturer but they must fit the 16 pin DLC and display all the required information OBD At Work OBD II keeps tabs on literally everything that could impact emissions including not only the electronics but also all systems and processes While that may sound simi lar to the previous generation of diagnos tics this goes way beyond that by actually performing tests on various systems and issuing a passing or failing grade This technology ensures that the vehicle is always in compliance with applicable emis sion regulations If a fault is detected the MIL Malfunction Indicator Lamp is turned on signaling the driver that the vehicle must be checked and serviced In a BMW OBD II watches over All engine sensors and the engine control module The transmission control module Any actuators used on the engine and transmission Fuel system integrity to detect any vapor leaks To set a code and trigger the MIL OBD II must see a problem then see the same problem during a later drive cycle more than one time If the MIL glows steadily the prob lem s detected require prompt attention but will not cause damage If the MIL blinks there is a misfire that could damage the cat alytic converter Drivers should stop driving and turn off the engine as soon as it is safe to do so when they see a blinking MIL A MIL that comes on th
42. posit formation BMW does not approve the use of any coolant additives including those intended to improve corrosion resistance or seal minor leaks Brake Fluid Only glycol based DOT 4 brake fluid is approved BMW sells its brake fluid in 12 oz P N 81 22 0 142 156 or one gallon P N 81 22 0 142 155 containers Brake fluid should be completely flushed and replaced at least every two years have you priced a replacement ABS unit lately Bleed the entire brake system not just the master cylinder because vapor bubbles and corrosion typically start in the calipers Flush the system with all bleeder valves open and continue flushing until all fluid from the bleeders is clear and free of bub bles When flushing the brakes also flush the hydraulic clutch system Power Steering Fluid Dexron Automatic Transmission Fluid is used in both ball and nut and rack and pinion power steering systems BMW has no recommended change interval for power steering fluid Fluid normally is added only during repairs That s an espe cially good time however to flush the sys tem because there are probably particles of debris in the fluid that can cause problems in spite of new parts Manual Gear Lube Look for a tag on BMW manual trans missions to determine what fluid to use BMW has four recommendations for manual transmission oil depending on the year and model f there is no tag on the transmission bell housing you c
43. rculation independent Offices Akron Ohio 44333 Caution Vehicle servicing performed by untrained persons could result in seri BMY Senee ous injury to those persons or others Information contained in this newsletter is intended for use by trained professional auto repair technicians ONLY This information is provided to inform these technicians of conditions which may occur in some vehicles or to provide information which could assist them in prop er servicing of these vehicles Properly trained technicians have the equipment tools safety instructions and know how to perform repairs correctly and safely If a condition is described DO NOT assume that a topic covered in these pages automatically applies to your vehicle or that your vehicle has that condition BMW of North America LLC the BMW name and BMW logo are registered trademarks of BMWAG The Ultimate Driving Machine FEATURE ARTICLE Happy Birthday OBD Il Emission Control System becomes diagnostic tool Bring out the birthday cake and light the candles the second generation of on board diagnostics universally known as Il is now 10 years old And if the can dles don t light plug your scan tool into the cake and see if any DTCs Diagnostic Trouble Codes have been set The tenth anniversary of this powerful tool seems like a good time to review just how OBD II came to be and the basics of how it works in a BMW A good under standing of how OBD II works
44. rts 770 951 2697 Fax 770 933 7850 AUGUSTA Taylor BMW 706 868 6400 Fax 706 868 2125 COLUMBUS BMW of Columbus 706 576 6700 Fax 706 576 6796 DECATUR Nalley BMW of Decatur 404 292 1400 Fax 404 297 9134 DULUTH United BMW 770 476 8800 Fax 770 622 8272 MACON BMW of Macon 478 757 7000 Fax 478 757 1801 SAVANNAH Critz BMW 912 354 7000 Fax 912 353 3360 UNION CITY Hank Aaron BMW 770 969 0755 Fax 678 479 4685 HONOLULU BMW of Honolulu 808 597 1225 Fax 808 592 0290 BOISE Peterson Autoplex 208 378 9000 Fax 208 378 9090 IDAHO FALLS BMW of Idaho Falls 208 529 4269 Fax 208 378 9093 ILLINOIS BARRINGTON Motor Werks of Barrington Inc 847 381 8900 Fax 847 381 0115 BLOOMINGTON Dennison BMW 309 663 1331 Fax 309 662 2077 CHICAGO Perillo BMW Inc 312 981 0000 Fax 312 981 0076 CRYSTAL LAKE Anderson Motor Co of Crystal 815 455 4330 Fax 815 455 3428 ELMHURST Elmhurst BMW 630 833 7945 Fax 630 833 7936 LAKE BLUFF Karl Knauz Motors 847 604 5000 Fax 847 604 5035 NAPERVILLE Bill Jacobs BMW 630 357 1200 Fax 630 357 9835 NORTHFIELD Fields BMW 847 441 5300 Fax 847 441 1530 O FALLON Newbold BMW 618 628 7000 Fax 618 628 7300 ORLAND PARK BMW of Orland Park 708 460 4545 Fax 708 460 8771 PEORIA BMW of Peoria 309 692 4840 Fax 309 692 5143 ROCKFORD Bachrodt BMW 815 332 4700 Fax 815 332 5838 SAVOY Twin CityBMW 217 356 0303 Fax 217 356 7594 SCHAUMBURG Patrick BMW 847 843 4000 Fax 847 843 4022 S
45. ry drive cycles have been completed by checking the readiness code OBD Il uses readiness codes to pre vent anyone with an emissions related fault and a MIL on from disconnecting the bat tery or clearing the fault memory before taking an emission control test A vehicle cannot be emissions tested if the MIL is on it must be serviced before testing Note Because of hardware and software issues 1995 and 1996 BMWs with the V12 OBD Il works properly but does not set a readi ness code The federal EPA and I M sta tions know about this problem The code gives you a Yes No indication of whether the checks have been done You will get either a 0 or a 1 for the code A 0 means Test Not Completed or Not YES NO ON YES NO OFF Applicable for six cylinder engines or Not Ready for V8s and V12s A 1 means Test Completed for six cylinder vehicles or Ready for V8s and V12s A readiness code will be stored after any clearing of fault memory or disconnection of the ECM A readiness code of 0 will be stored after a complete diagnostic check of all components systems that can turn on the MIL is performed The complete readiness code is one byte or 8 bits of data Each bit represents one complete test and will be displayed on your scan tool For example 0 EGR Monitoring 0 N A with BMW 1 Oxygen Sensor Heater Monitoring 1 Oxygen Sensor Monitoring 0 Air Condition 0 N A with BMW
46. system exactly what the vehicle is its introduction The third generation DSC doing as it turns in terms possible over has been installed on BMWs since model steer or understeer compared to the year 2000 Compared to the first genera direction the driver wants to go The tion the latest system brake pressure sensor reading tells the system what if anything the driver is Monitors vehicle dynamics up to 25 doing to correct the situation DSC is times per second programmed to complement or assist Operates up to four times faster than the driver s corrective efforts because ABS does over correcting can be almost as bad as Regulates braking at all four wheels not taking any action at all individually instead of just the rear wheels DSC is a very reliable system and no rou Has the ability to reduce engine speed tine maintenance is required Because the to reduce power applied to the drive system works in the background many wheels BMW owners might not even be aware they Generation 3 DSC has several additional have DSC on their vehicles sensor inputs besides wheel speed An owner complaint about DSC is very vehicle speed and steering wheel rare Typically drivers will only know about direction including a DSC problem when a code or codes trig A lateral acceleration sensor that ger the MIL As with any electronic system measures the sideways forces or how follow the appropriate BMW diagnostic hard the vehicle is turn
47. ter And when car does go into a seri ous understeer or oversteer condition the typical reaction is to slam on the brakes and hope you don t hit anything With DSC the driver doesn t have to recognize and respond to possible out of control sit uations because the system will do that automatically First introduced on certain models in 1995 DSC is now standard on all BMWs One experience with DSC and you under stand why the National Highway Traffic Safety Administration NHTSA has taken the first steps toward making stability con trol mandatory on all new cars SUVs and light trucks Although BMW s DSC and sim ilar technology used by other carmakers has been on the street in significant numbers for only a few years the impact on reducing crashes deaths and injuries has been dra matic Based on studies of stability control s effectiveness NHTSA says that if all cars light trucks and SUVs had such a system up to 40 of the nearly two million single vehicle crashes that now occur in the United States every year might be prevented One reason stability control is such an effective safety technology is that unlike seat belts airbags crash crumple zones and similar systems DSC is pro active Other safety devices come into play when a crash occurs DSC helps prevent some crashes from happening in the first place DSC works in conjunction with ABS with which it shares the hydraulic control unit courtesy Bos
48. ur before setting a code and turning on the warning lamp and its trouble codes amounted to hints to technicians There was much more to be learned about the state of the elec tronic engine management system by accessing the data stream but many techs either never bought the equipment to enable them to do that or never learned how to interpret the information In the early 1990s the federal govern ment pushing for even stricter emission control mandated the next generation E3B E3S EAS E52 E53 Driver s Footwell Area Ke FTA E EI ENTER DOR CLE T TEDD IOELA l diagnostic system OBD Il be in place by model year 1996 The first BMW OBD system was used on MY 1995 vehicles with the 12 cylinder engine All BMWs had OBD Most BMWs have the OBD Il DLC II starting in MY 1996 E38 Center Console next to cup holder Uniformity is one of the basic goals of OBD to the left of center There are excep ll This has several facets all based on SAE tions however such as the 73 standards For example we got a standard the E38 16 pin DLC Data Link Connector regard less of what brand of car we re working on With just a few exceptions Such as the Z3 Data Link Connector under the dash it must be located under the dash to the left of center Some of its pins are required to have specific purposes while others are for the carmaker s own use or are left unused at this time with the p
49. x616 452 1101 KALAMAZOO Harold Zeigler BMW 269 375 4500 Fax 269 372 8627 OKEMOS BMW of Lansing 517 853 2628 Fax 517 853 2661 SHELBY TOWNSHIP Bavarian Motor Village Ltd 248 997 7700 Fax 248 997 7766 TRAVERSE CITY Grand Traverse Auto Company 231 929 6532 Fax 231 929 6585 MINNESOTA BLOOMINGTON Motor Werks BMW 952 888 2700 Fax 952 886 6363 MINNETONKA Sears Imported Autos Inc 952 546 5301 Fax 952 546 2899 ROCHESTER Park due BMW 0 9468 07 282 5424 M ISSISSIPPI JACKSON Herrin Gear BMW of Jackson 601 956 9696 Fax 601 991 9831 MERIDIAN Sunbelt BMW CLAYTON Autohaus of Clayton 314 727 8870 Fax 314 727 9345 COLUMBIA Joe Machens BMW 573 445 4450 Fax 573 446 2140 CREVE COEUR Plaza Motor Company 314 301 1705 Fax 314 301 1730 MANCHESTER Suntrup West County BMW 636 227 5454 Fax 636 227 5455 SPRINGFIELD Reliable BMW 417 889 9200 Fax 417 889 5518 NEBRASKA GRAND ISLAND BMW of Grand Island 308 382 4662 Fax 3308 382 0421 LINCOLN BMW of Lincoln 402 479 7600 Fax 402 479 7663 OMAHA John Markel Inc 40 00 NEW HAMPSHIRE NASHUA Tulley BMW 603 5050 Fax603 888 5043 STRATHAM BMW of Stratham 603 772 0000 Fax 603 772 9381 NEW JERSEY BLOOMFIELD Essex BMW 973 748 8200 Fax 973 748 6375 EDISON Open Road BMW 732 985 4575 Fax 732 985 4347 EATONTOWN Circle BMW 732 440 1200 Fax 732 440 1239 FLEMINGTON Flemington BMW 908 782 2441 Fax 908 824 9913 FREEHOLD King
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