Service bulletins for the 2021 BMW M4
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
72 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Steering are shown. Show all
| B360121 | 2024-02-01. Service bulletin. STEERING. At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21. |
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| B320123 | 2023-05-01. Service bulletin. STEERING. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard. |
| B310318 | 2022-06-21. Service bulletin. STEERING. Cracking noises heard from the area of the front axle when rotating the steering while stationary or at low speed. |
| B662419 | 2022-01-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE; STEERING. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. |
| B662419 | 2021-12-13. Service bulletin. STEERING. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle maynot start when placing the key against the steering column. |
| B662419 | 2021-02-08. Service bulletin. STEERING. REMOTE CONTROL IS NOT DETECTED: Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.