Service bulletins for the 2018 BMW 640i
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.
279 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Anti-lock brakes are shown. Show all
| B340319 | 2019-04-22. Service bulletin. ELECTRICAL SYSTEM; PARKING BRAKE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. HUMMING/RUMBLING NOISES AFTER OPENING THE DOOR. After waking up/unlocking and entering the vehicle may cause a humming/rumbling noise to occur. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.