Service bulletins for the 2021 BMW M850i
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.
128 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Ignition are shown. Show all
| B610722 | 2022-05-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Check Control message (CCM) displays "Vehicle key missing" after engine start. |
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| B121320 | 2021-02-22. Service bulletin. ELECTRICAL SYSTEM:IGNITION:COIL; ELECTRICAL SYSTEM; ENGINE. REPLACE ALL THE IGNITION COILS: The ignition coils may not have been produced to specifications which could lead to irregular running of the engine. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.