Service bulletins for the 2020 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.
172 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Air bags are shown. Show all
| B650520 | 2020-04-20. Service bulletin. FORWARD COLLISION AVOIDANCE; LANE DEPARTURE; AIR BAGS. FAULT 930C1E IS FOUND IN THE ACSM: Vehicle comes into the workshop with the following illuminated: Check Engine Light DSC warning lamp Air bag warning lamps During diagnosis the following fault code is found stored in the ASCM (Advanced Crash Safety Module): 930C1E internal ECU error If the fault is cleared it returns immediately. The root cause is under investigation. |
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| B650520 | 2020-02-18. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM:SOFTWARE. FAULT 930C1E IS FOUND IN THE ACSM: Vehicle comes into the workshop with the following illuminated: Check Engine Light DSC warning lamp Air bag warning lamps During diagnosis the following fault code is found stored in the ASCM (Advanced Crash Safety Module): 930C1E internal ECU error If the fault is cleared it returns immediately. The root cause is under investigation. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.