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: Transmission and driveline are shown. Show all
| B122519 | 2023-01-30. Service bulletin. POWER TRAIN. After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence. |
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| SIB330120 | 2022-10-17. Service bulletin. POWER TRAIN. There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.