Service bulletins for the 2021 BMW M5
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.
114 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Seats are shown. Show all
| B520121 | 2023-09-25. Service bulletin. SEATS. ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted. |
|---|---|
| B720417 | 2023-01-30. Service bulletin. SEATS. Acoustic and visual warnings indicate that the front passenger seat is occupied, and the safety belt is not fastened when the seat is actually unoccupied. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL (Passenger Occupancy Light) light should now function correctly. In some cases, the air bag Warning Light was illuminated. Advanced Crash Safety Module (ACSM) fault "930A1C - Front passenger seat occupancy detection transmitting fault (moisture)" is stored. |
| B520121 | 2021-08-09. Service bulletin. SEATS; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Front seat will not calibrate/initialize, and the stored faults cannot be deleted |
| B520121 | 2021-03-15. Service bulletin. SEATS. SEAT FAILS TO INITIALIZE DUE TO MISSING END STOP: Front seat will not calibrate/initialize. |
| B652120 | 2021-02-01. Service bulletin. SEATS; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. ?NO PREVIEW IMAGES DISPLAYED IN THE REAR SEAT ENTERTAINMENT: The rear seat entertainment screens do not display any preview images at times. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.