Service bulletins for the 2021 BMW 230i
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.
40 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| B510921 | 2021-07-19. Service bulletin. EQUIPMENT; VISIBILITY. GROANING FROM THE SIDE WINDOWS: There is a groaning noise present from the area where the side windows meet the convertible top while driving. Insufficient seal pressure against the side windows. |
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| B510921 | 2021-07-06. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; VISIBILITY; SERVICE BRAKES, HYDRAULIC. GROANING FROM THE SIDE WINDOWS: There is a groaning noise present from the area where the side windows meet the convertible top while driving. Insufficient seal pressure against the side windows. |
| B610615 | 2021-05-24. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Washer Fluid Reservoir Rattles While Driving on Rough Roads: Rattling noises heard from vicinity of glove box. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.