Service bulletins for the 2021 BMW X4
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.
168 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Blind spot detection are shown. Show all
| SIB660620 | 2022-07-05. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SENSOR. The functionality of the right front SRR sensor could be reduced which would display the "Driving Assistance" Check Control Message. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.