BMW 235i Racing Cup Belgium Part 2: Technical
Contents
1. 8 Art 2 8 Bodyworkand Dimensions aiar 8 Art 2 9 Aerodynamic DeviC6s icri eee coeno e asi 10 Art 2 10 Electrical Equipment iii 10 BMW 235i Racing Cup Art 2 11 Fuel Circuit i 10 Art 2 12 Eubrication System tied tint eoim ees 10 Art 2 13 Data Transmisi n 10 Art 2 14 Other e eene tere t ines e eene ce he id E eee va ex ree enr in 11 Art 3 Attachments drawings sse 12 Approbation cocos int pace SIVE Aosta ate D ud qtd 15 2 BMW 235i Racing Cup Art 1 Technical Series Regulations Art 1 1 Summary of the Eligible Groups Classes One class The only eligible vehicle is the BMW M235i Racing produced specifically for this purpose The BMW M235i F22 in series production is the basis for this vehicle Art 1 2 Principles of the Technical Regulations Art 251 252 253 255 of the Appendix J FIA ISC The most recent version of the parts catalogue for the BMW M235i Racing The most recent version of the user manual for the BMW M235i Racing The corresponding Supplementary Event Regulations The RACB in collaboration with the series organizer has the right to amend these regulations as necessary using bulletins Furthermore the rules for the administrative checks and scrutineering technical checks of these regulations also apply Art 1 3 General Preamble Anything not explicitly allowed by these regulations is prohibited Permitted modifications must not result in any illega2. seat rail has to e base plate and can be screwed to t e mounted in two different positions Image 3 3 2 Seat rails Image 3 3 3 Seat rails Recaro Typ 364954 14 BMW 235i Racing Cup Image 3 3 4 Seat and harness attachment points for the driver Image 3 3 5 Seat rails and console Approbation R glement approuv par le RACB Sport le 11 03 2015 Num ro de VISA TO1 BMW235 B15 15 BMW 235i Racing Cup
3. 265 660 R18 CM 720 are permitted and mandatory There is a slick tyre and a rain tyre defined in the parts catalogus Tyres have to be sourced at Goodyear Dunlop Tires Germany GmbH and will be marked before delivery The number of tyres that is used per event is not restricted A maximum of four marked and used slick tyres may be used from the last event only Marked slick tyres that have not yet been used can be remarked for use at another race weekend If in the case of unforeseen circumstances like an event which is shortened or mainly driven with rain tyres this rule can be adapted by the Series Organizer by means of a Bulletin The heating of tyres is to be regulated by the organizer It is not permitted to treat the tyres with chemicals Exceptions to this rule are soapy water to clean them and the lubricant for assembly The scrutineer may take tyre samples at any point during the event These samples will undergo a chemical analysis and be compared with a reference tyre by the tyre partner Except for the removal on pickup the tyres must not be processed mechanically Cutting or recutting tread patterns is expressly prohibited Rims with a dimension of 10Jx18 as outlined in the parts catalogue must be used These rims must be obtained from BMW AG Art 2 8 Bodywork and Dimensions a External Bodywork Including Windows The organiser regulates the window stickers As outlined in the parts catalogue and the user manual the win
4. 3 17 Art 1 12 Fuel and Single Fuel The only permitted fuel is commercial unleaded fuel in accordance with Art 252 9 of Appendix J ISC which must conform with DIN EN 228 Any additive other than air or lubricant for two stroke engines is prohibited Art 2 Specific Technical Regulations Art 2 1 General In addition to the Technical Regulations according to Art 1 of these regulations the following specific technical regulations are applicable Anything which is not explicitly allowed by these regulations is prohibited Permitted modifications must not result in any illegal modifications or infringements of the regulations Art 2 2 Engine The engine will be delivered sealed Any changes to the engine or its attachments are prohibited see Part 1 Art 11 BMW 235i Racing Cup Art 2 2 1 Exhaust System The exhaust system outlined in the parts catalogue is to be used Art 2 3 Transmission The gearbox and the differential will be delivered sealed Any changes to the gearbox or differential are prohibited Checks revisions or opening may only be carried out by BMW AG and the scrutineer Art 2 4 Braking System The entire braking system and its parts subject to wear are only to be obtained from BMW AG The braking system is different from the series vehicle and is defined by the parts catalogue The driving aids ABS DSC and TC are tuned specifically for use on a race track and must not be changed by the entrant Th
5. BMW 235i Racing Cup Belgium Part 2 Technical regulations 2015 Index Art 1 Technical Series Regulations 3 Art 1 1 Summary of the Eligible Groups Classes i 3 Art 1 2 Principles of the Technical Regulations ener ennemi nnns 3 Art 1 3 Gerneral Preamble cccccscccccesscssssccccccecesscsssescescessesssnsceceasecssecseesccsseseessseesesscssacecsssecsensesscess 3 Art 1 4 Driver s Equipment iii 3 Art 1 5 General Regulations Permitted Modifications and Installations sees 4 Art 1 5a Gro nd Clearance i i eet jala s dit 4 Art 1 6 Minimum Vehicle Weights and Ballast 5 Art 1 7 Equivalence Formula for Supercharged EngihesS 5 Art 1 8 ExhaustPrescriptions tre deterrere tee vere aa 5 Art 1 9 Noise Regulations a ae en eae ey iisi ESEE 5 Art 1 10 Advertising Regulations and Start Numbers on the Vehicles i 5 Art 1 11 Satety Equipment cc oen miris Due eii see n Te D ERE E IS RENS 5 Art 1 12 Fuel and Single Fuel net ina 6 Art 2 Specific Technical Regulations 6 Art 2 General ni it 6 Art 2 2 Engine ss ssaa 6 Art 2 2 1 Exha ust System etie A 7 Arnt 223 TRANSMISSION EE M 7 Art 2 4 Braking System cheer ette A A Senes 7 Art 2 5 Steering hti A te EE exei e eem bee Cr a 7 Art 2 6 SUSpensioni a lara 7 Art 2 7 Wheels Flange Rim and TyreS un
6. d in the parts catalogue and must be installed without modification Art 2 12 Lubrication System The lubrication system has been changed for use on a race track compared with the series vehicle and is defined in the parts catalogue All utilities oils fats coolants and brake fluids specified in the user manual must be used as specified The scrutineer may take samples of the utilities at any time to send them for analysis Art 2 13 Data Transmission 10 BMW 235i Racing Cup Apart from the following exceptions no data transmission between the vehicle and the environment is permitted Radio communication TV cameras stipulated by the organiser GPS eye Transponder for measuring noise Transponder for timekeeping Lap trigger No telemetry systems are permitted If the organizer stipulates additional systems that involve the transmission of data this must be approved by the scrutineer Art 2 14 Other The following systems may be additionally installed in the vehicle Tyre pressure check sensors in the rims and antennae Lap trigger GPS sensor Transponder for measuring noise Transponder for timekeeping Potentiometer to determine the wheel stroke GPS eye Temperature sensor for differential gear If the organizer stipulates the assembly of additional systems in the vehicle this must be approved by the scrutineer A system for monitoring tyre pressure using sensors and related antennae is permitted As outlined in A
7. dard steering column adjustment is retained In the interior all covers are to be used as outlined in the parts catalogue The seat attachment that differs from the series vehicle is documented in Part 3 Attachment 2 by an image If the entrant registers a driver who is not able to use the seat defined in the parts catalogue safely due to his or her physical conditions the series organiser can approve a different seat and related console upon receiving an individual written application A seat test supervised by the responsible scrutineer must take place to demonstrate that the seat specified in the parts catalogue cannot be used Approval will be given only if the scrutineer deems there to be a safety risk This approval is specific to a driver and applies only if the relevant driver participates in the event The alternative seat used and the console must conform with Article 253 Appendix J and must be presented during scrutineering The request can be informal but must contain the driver s name and licence number as well as the manufacturer and number of the requested seat variant and console c Additional Accessories Accessory components from the parts catalogue may be installed and can be offset by the ballast mentioned in Part 2 Art 1 6 of these regulations BMW 235i Racing Cup Art 2 9 Aerodynamic Devices The following aerodynamic devices are permitted e Rear spoiler e Front splitters e Threshold fixtures The specificat
8. dows on the driver s door and the passenger door are to have a safety film stuck to them It is not permitted to cut additional openings out of the windows to ventilate the cockpit BMW 235i Racing Cup In general it is not permitted to close or mask openings or joins In the event of provisional repairs during the event joins or openings in the area of damage may be covered provided this is necessary due to a lack of time The scrutineer will decide whether the repair measures are permitted If unusually low temperatures make it necessary to close the air vents the scrutineer must approve this explicitly Compared with the series vehicle the wheel arch was extended and the front of the vehicle was reinforced The windscreen may be covered with a clear non tinted tear off film for protection These films must not be labelled The films must not have any air bubbles that interfere with the driver s field of vision b Cockpit No individual ventilation tubes are permitted A drinking device may be installed provided that it is permanently attached and the holder can withstand acceleration forces of up to 25G The scrutineer is responsible for assessing whether he or she feels that the holder is sufficient The pedals must not be changed The only exception is the attachment of a film with increased friction The seat seat consoles and belts must correspond to the parts catalogue and are only to be obtained from BMW AG The stan
9. e for the BMW M235i Racing Cup Belgium Art 1 11 Safety Equipment The vehicles must be fitted with the following safety equipment BMW 235i Racing Cup The article numbers refer to the current Appendix J ISC unless stated otherwise Lines and pumps in accordance with Art 253 3 1 and 253 3 2 or Art 259 6 2 Fuel cell ventilation in accordance with Art 253 3 4 Double circuit braking system in accordance with Art 253 4 Additional safety fastener in accordance with Art 253 5 Safety belts in accordance with Art 253 6 Fire extinguishing system in accordance with Art 253 7 2 and Art 275 14 1 Safety cage in accordance with Art 253 8 Rear view mirror in accordance with Art 253 9 and Art 275 14 3 Towing eye device in accordance with Art 253 10 and Art 259 14 6 Safety foil on the windows in accordance with the DMSB prescriptions Windshield made of laminated glass Door nets in accordance with Art 253 11 or with the DMSB prescriptions General circuit breaker in accordance with Art 253 13 Safety fuel tank in accordance with FIA standard FT3 FT3 1999 FIA homologated non return valve in the filler neck in accordance with Art 253 14 5 Fireproof screen in accordance with Art 253 15 and Art 259 16 6 Seats and attachments in accordance with Art 253 16 FIA homologated driver seat in accordance with Art 253 16 DI k RI DI DI b Pd bd bd DI P3 bd DI P3 Pd Pw RK P4 P3 Prohibition of pressure control valves in accordance with Art 25
10. e guides for the saddle crossover in the braking system may be altered This is shown in image 2 2 1 y The brake pads will be labelled by BMW before delivery to identify that they conform to regulations Brake pads not labelled are not permitted Art 2 5 Steering The steering is defined by the parts catalogue and must be installed without modification Art 2 6 Suspension The suspension was modified for use on a race track and is defined by the parts catalogue The suspension must not be changed The following points for tuning the suspension are an exception e Setting the compression and rebound rate of dampers in the screws for this purpose e Checking and setting the air pressure in the damper BMW 235i Racing Cup e Setting the track on the tie rod e Setting the camber in the strut bearings on the front axle as well as the eccentric screws on the rear axle e Setting the ride height in the damper e Setting the roll stabilisers at the intended junctures e The roll stabiliser may be decommissioned To do so the entire roll stabiliser must be removed All components used must be listed in the parts catalogue and must be obtained from BMW AG Springs assister springs and bump stops are fixed Changes to the components for example modifying the valves in the dampers are expressly forbidden Art 2 7 Wheels Flange Rim and Tyres Only the for the BMW M235i Racing approved tyres of the Dunlop brand in the dimension
11. e pressure 2 4 bar VA 2 3 bar HA for measuring Art 1 6 Minimum Vehicle Weights and Ballast The series organizer will determine reference scales before the start of an event The minimum weight of the vehicle is 1425 kg The weight of the vehicle must be at least this minimum vehicle weight at all times during the event The vehicle will be weighed with an empty fuel tank and without a driver Utilities may not be refilled If the vehicle was damaged during the competition the weight of the parts lost in the process can be considered at the scrutineer s discretion It is permitted to add ballast to the vehicle to conform with the weight regulations As outlined in the parts catalogue this ballast must be composed of fixed uniform blocks and be attached to the floor of the passenger compartment The ballast weight will be sealed The screw defined in the parts catalogue is to be used for this Art 1 7 Equivalence Formula for Supercharged Engines N A Art 1 8 Exhaust Prescriptions All vehicles must be equipped with a single catalytic converter with the following specifications HJS catalytic converter according to DMSB homologation R9010 10 Art 1 9 Noise Regulations The maximum permitted noise limits are determined by the noise regulations and limits of the visited circuit on that meeting Art 1 10 Advertising Regulations and Start Numbers on the Vehicles Mandatory sticker layout could be found in attachment 3 Applicabl
12. ions are to be taken from the parts catalogue and are to be installed without modification Art 2 10 Electrical Equipment Data Logging The vehicle contains 2 CAN interfaces for connecting data loggers The entrant is permitted to connect a system for recording data to one of these interfaces The 12V interface stated in the user manual must be used for the power supply In agreement with the scrutineer the series organizer may install an official data logger in the car at any time For races in which an illuminated starting number is permitted the entrant may attach this The 12V interface stated must be used for the power supply Data loggers are analyzed by the scrutineer or the series organizer The participant is responsible for ensuring that the data logger functions without fault If the actual logger or a component of the system sensor cable or similar is damaged or does not seem to be working correctly this must be reported to the scrutineer immediately and in writing Repairs to the wiring harness can only be made in agreement with the scrutineer Among other things the throttle valve position engine speed driving speed gear boost air charge temperature lambda firing angle and quantity of fuel injected are recorded and checked by the series organizer Deviations in these values outside of the tolerance defined by the series organizer will be treated as attempted manipulation Art 2 11 Fuel Circuit Define
13. izer are to be restricted to measures that improve safety or reduce costs Additionally it may be necessary to make updates based on changes to the parts catalogue of the base vehicle All installations performed by the entrant participant may only fulfill the intended function The scrutineer will decide whether this is the case Work necessary for the normal servicing of the vehicle or the replacements of parts worn through use or accident may be carried out The limits of modifications and installations allowed are specified hereafter Any part worn through use or accident may only be replaced by an original part identical to the damaged one Throughout the car the attachment standard parts such as nuts bolts washers lock washers spring washer splint pins may be replaced with comparable standard parts with the original shape With regard to screw threads thread type size and pitch e g M8 x 1 25 must be retained Screw threads may be strengthened by Heli Coil Hereby the competitors driver owner is instructed that the BMW M235i Racing Cup Belgium vehicle condition as supplied to customer is only allowed to start in an extra for this vehicle generated Cup class if the promoter provided this class If the promoter did not provide an extra class for the BMW M253i Racing he is responsible for the placement of the vehicle in a convenient class and if necessary to integrate it while using a balance of performance An exceptional per
14. l modifications or infringements of the regulations The aim and purpose of these regulations is to enable every participant to be competitive in the class without investing in modifying or further developing the vehicle The parts catalogue for the BMW M235i Racing fundamentally defines the race car Deviations from this catalogue must be approved by these Technical Regulations or they are deemed to be impermissible Art 1 4 Driver s Equipment The wearing of overalls homologated to the FIA 8856 2000 standard as well as underwear with long sleeves and legs balaclava socks shoes and gloves in compliance with the FIA prescriptions is compulsory Furthermore a helmet must be wornin compliance with the FIA regulations Appendix L of the ISC Furthermore the use of the head restraint devise e g HANS is compulsory The guidelines of the relevant organiser concerning the driver s equipment that go beyond the requirements in these regulations must be observed BMW 235i Racing Cup Art 1 5 General Regulations Permitted Modifications and Installations The BMW M235i Racing must conform with these regulations throughout the entire event The participant entrant is responsible for making sure that the vehicle is used only in a state that is flawless from a technical perspective and that the RACB safety regulations are adhered to at all times Changes to the parts catalogue and with it the vehicle specification made by the series organ
15. mission for an appearance in a different class can only be granted by BMW Motorsport and requested at the respective promoter If the vehicle is not in the condition as supplied to the customer or if it does no longer conform the technical regulations of the BMW M235i Racing Cup Belgium series issued by RACB in its relevant version it is necessary to put an endorsement into the car pass and a new acceptance by the ASN through the competitors driver owner must be carried out The previous Car pass is invalid and the vehicle is no longer named as BMW M235i Racing but only BMW M235i The vehicle is only allowed to start in a Cup class BMW M235i Racing after a reconstruction to the condition as supplied to customer or the technical regulations of the BMW M235i Racing Cup series issued by RACB a new acceptance by the ASN and an adjustment in the car pass through the applicant driver owner Art 1 5a Ground Clearance The ground clearance is measured with an empty fuel tank and without a driver The ground clearance must be a minimum of 100mm This will be proven by placing a test object below the vehicle No component must touch the test object The front splitters ram air lips tyres and rims as well as parts damaged while driving are not subject to this regulation BMW 235i Racing Cup The series organizer will define a reference area for measuring the ground clearance before the start of the event The tyre pressure may be raised to the referenc
16. rticle 1 11 valves that regulate pressure are not permitted Control Units and Software Versions Software and hardware for the control electronics can be checked by the series organizer or the scrutineer at any time and must always conform with the current status specified in the user manual If this is not the case this will automatically be reported to the sports commissioners and the series organizer The series organizer is permitted to update or replace the software version or the hardware of the control units at any time The entrant must not overwrite or change any database or program version in the control units Radio System amp Cameras A radio system including antennae may be installed in the vehicle The 12V interface stated in the user manual must be used for the power supply Provided the organizer permits it cameras may be installed and connected with the entrant s own data logging system The 12V interface stated in the user manual or a stand alone battery supply must be used for the power supply Air Jack 11 BMW 235i Racing Cup Radios and cameras must be permanently attached and the holders must withstand acceleration forces of up to 25G The scrutineer is responsible for assessing whether he or she feels that the holder used is sufficient The BMW 235i Racing parts catalogue defines an optional air pressure pumping system This is the only optional system If an air pressure pumping system is installed the compre
17. ssed air supply is released The prerequisite being that the boot can be opened and closed without coming into contact with the supply used The section in the boot lid must not be changed The position of the supply must not be changed Art 3 Attachments drawings Attachment 1 Advertising on the Driver s Overalls According to the Series Regulations The following areas are reserved for the series organiser and are not available to the participant see Sporting Regulations 19 1 For further details see the Supplementary Event Regulations Vorderseite No Area Owner No Area Owner Right hand chest area 2 positions BMW TBA BMW 235i Racing Cup 12 Attachment 2 Advertising and Labelling on the Vehicle in Accordance with the Series Regulations The following areas are reserved for the series organizer and are not available to the participant Part 1 Art 19 1 Part 2 Art 1 10 For further details see the Supplementary Event Regulations No Area Owner Front bumper bottom 1 right left SIN 2 Hear bumper middle section right left 3 Side skirts right left BMW BMW Attachment 3 Seat Attachment The seat attachment has been changed from that of the series vehicle Option Aluminiumplatte 2014 Image 3 3 1 Seat rails 13 BMW 235i Racing Cup On the marked pn of the base magie 3 3 1 Figure 3 3 2 must be installed The
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