Due to an software error, the adaptation values of the actuator contiguous wheel slip limitation (ARB) may...
BMW technical service bulletin B120321 for 2021 BMW M3 and 2020-2021 BMW M4.
- Bulletin number
- B120321
- Component
- Electrical system: software
- Summary
- Due to an software error, the adaptation values of the actuator contiguous wheel slip limitation (ARB) may be lost.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW M3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history