Service bulletins for the 2018 BMW 540d
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.
362 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Throttle and cruise control are shown. Show all
| B661520 | 2020-12-21. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. ACTIVE CRUISE CONTROL - UNEXPECTED DECELERATION: Vehicle slows down (decelerates) unexpectedly while Active Cruise Control with Stop & Go (ACC) function is activated. |
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| B510820 | 2020-04-20. Service bulletin. VEHICLE SPEED CONTROL; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; BACK OVER PREVENTION. GROANING OR CRACKING NOISE WHEN OPENING OR CLOSING THE DOORS: A groaning or cracking sound is present when opening and/or closing any of the doors. Interference between the door panel and door. |
| B661117 | 2018-11-05. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. ACC (ACTIVE CRUISE CONTROL): CANNOT DELETE FAULT CODE 022126. ACC fault code 022126 does not delete from ACC control unit fault code memory. May occur in combination with under-voltage fault codes: * BDC 0x80402F - Battery deeply discharged * BE6: 0x801405 - Under-voltage detected Insufficient control unit software. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.