Service bulletins for the 2021 BMW 330i
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.
202 on file from NHTSA, as of 2026-10-19.
By type
By component
| B511219 | 2020-10-19. Service bulletin. STRUCTURE. KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated. |
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| B310120 | 2020-10-19. Service bulletin. SUSPENSION. SERVICE ACTION - REPLACE THE WISHBONE OR TENSION STRUT: An incorrectly pressed-in rubber mount in the wishbone, or hydraulic mount in the tension strut can lead to acoustic abnormalities in the front axle. A process fault at the supplier resulted in the mounts of the affected wishbone or tension strut to be incorrectly pressed in. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.