Clarifications needed to BMW M2 CS cup line
#38536 from Joe Aquilante · Rule change · TB 25-08 (2025-08 Fastrack)
The BMW M2 CS Clubsport is classed in T1, not T2. Please visit the following web address for vehicle details about the car's base
allowances-
https://www.bmwusa.com/motorsport/bmw-m2-
cs.html#:~:text=The%20BMW%20M2%20CS%20Racing%20models%20are%20powered%20by%20a,M2%20CS%20Racing%20Rec
ommended%20Mileage.
In T2 Spec Lines, BMW M2 CS Cup 2020, change as follows:
Model: "BMW M2 CS Cup 2020-2021"
Notes: "DOT approved tires required. All other components must be as homologated from BMW Motorsports. No other changes
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or Touring rule allowances permitted unless noted below. It is permitted to remove door glass and mechanism. It is mandatoryto run the “Purple” power stick part #8324089. Effective 3/1/2025 5 It is mandatory to run the “Red” power stick part #8324085.
BMW exhaust part # 18302459928 allowed. Hot country package allowed including part numbers: (aKMK LH 17 10 8342846 1,
aKMK RH 17 10 8328139 1, 17 10 8328135 1, 17 10 8328136 1, 17 10 8328137 1, 17 10 8328138 1, ISO7380-2 M5X14 10.9 ZNSW
17 10 8436008 2, 17 10 8417424 1.) Hood vents conforming to 9.1.9.2.D.8.a.7 are permitted."