Service bulletins for the 2022 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.
40 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Brakes are shown. Show all
| B340714 | 2023-11-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material- |
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| B340921 | 2023-03-20. Service bulletin. SERVICE BRAKES. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.