BMW Classing

We will use 9 classes: Showroom 1, 2 & 3, Tuner 1, 2, 3, 4, Modified and Novice.
For 2018 we will feature 2 classes for 2002s. Showroom 3 and Tuner 4.

Each group is aimed at grouping vehicles with similar performance capabilities. If your specific car is not listed below, please contact the classing coordinator to determine your class.

AX BMW Classing - Showroom

S1S2S3
i8M3 E36, E302002ti All
Z8M Coupe and Roadster 1996-2000
1 Series M Coupe1 Series All non-M
M2 All2 Series All non-M
M3 F80, E9X, E463 Series All non-M
M4 All4 Series All non-M
M Coupe and Roadster 2001-20025 Series All including M
Z4 M Coupe and Roadster 2002-20176 Series All including M
Z3 6-cyl non-M 1997-2002
Z4 Coupe and Roadster non-M 2002-2017
MINI (All)
All BMW otherwise classed

MINI Classing

All MINI’s will be combined into S2.

Non-BMW Classing

All Non-BMW classes will be classed together.

Rookie Class

We have a class specifically for entry level drivers. “Rookie” is defined as someone who has never, ever autocrossed, driven at speed in a High Performance Driving School either with BMW CCA, BMW Performance Center or any other affiliation.

Performance Class

The Performance Class establishes the permitted modifications for each group. If a modification is not listed, it is NOT permitted.

NOTE: If the wheels and suspension items were FACTORY options on the model, it is permissible to interchange. BMWNA’s recent offerings of “high performance dealer installed” items are different, and are not permitted as a showroom allowance.

BMW/MINI Modification Classing

 Showroom (S)Tuner (T)
WheelsStock wheel size. Wheel spacers allowed but tires must not extend past fendersFree
TiresDOT approved w/200+ treadwear rating (OEM tires if lower rating)Any size DOT approved tires w/200+ treadwear rating
BrakesOEM size rotors & stock size brake padsFree
Shocks & StrutsAdjustable shocks permitted but must retain original mounting pointsFree
SpringsStockFree
Strut BarsAftermarket front strut bar permittedFree
Sway BarsOne sway bar may be changed or removedFree
Other Suspension (including bushings)StockAny non-metal
SeatsStockFree
Intake & ManifoldStock - Fit replacement air filter permitted (Example: K&N Drop-In)Free
Steering WheelStock or factory OptionFree
Software/TuningStockFree
NitrousProhibitedProhibited
Methanol InjectionProhibitedProhibited
CarburetorsDowndraft Webber permittedFree
Internal Engine ModificationsStockFree
Body PanelsBumper panels may be replacedFree
Aerodynamic AdditionsFreeFree
Power Pulleys/Underdrive PulleysStockFree
Headers & Exhaust SystemAxle-back (muffler only) replacements permitted. No change to catalysts allowedHeaders free, Catalysts required on 96+ cars
Aftermarket Forced InductionProhibitedProhibited
IntercoolersStockFree
DifferentialStockFree
Short ShifterFreeFree
Clutch StopFreeFree
Flywheel & ClutchOEM or equivalentFree
Rollbar/RollcageBolt in units permittedFree
RestraintsStock/CG locks permittedFree
Engine Oil CoolerFreeFree

AX BMW Classing - Tuner

T1T2T3T4
E36 M3All 1, 2, 3, & 4 Series Turbo Cars (Non-M)All E30 (non-M)All 2002ti
E46 M3All non-M F30 Series CarsAll 4-cyl (non-turbo & not otherwise classed)
E92 M3E30 M3All 3 Series 6-cyl (not otherwise classed)
Z3 M Roadster & Coupe (S54)335i/335xiAll BMW Older Than 1991 (not otherwise classed)
Z4 M Roadster & CoupeE60 M5All 5 Series (not otherwise classed)
Z4 (35i variants)E63 M6All 6 Series (not otherwise classed)
F80 M3Z4 (not otherwise classed)All 7 Series
M4Z3 M Roadster & Coupe (S52)All 8 Series
M235i (including xDrive)X6Mi3
M2X5M
1Mi8

AX BMW Classing - Modified

 Modified (M)
NitrousProhibited
Any vehicle with modifications exceeding allowances for tunerFree

©2018 BMW Car Club of America the largest single-marque car club in the world! bmwcca.org

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