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
Only bulletins with component: Engine are shown. Show all
| B662419 | 2021-02-01. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. REMOTE CONTROL IS NOT DETECTED: Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. |
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| B110320 | 2020-12-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. REPLACE EXHAUST TURBOCHARGER: Possible loss of engine output and illumination of the malfunction indicator lamp (MIL). |
| B341020 | 2020-11-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES; ENGINE. TICKING NOISE FROM DRIVERS FOOTWELL DURING LIGHT BRAKING WHILE COASTING: A ticking sound can be heard from the drivers footwell while coasting with the engine OFF. The noise occurs when the pedal is slightly pressed with minimum force without the brake light being activated. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.