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Service bulletins for the 2018 BMW M5

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.

208 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
B3406182018-12-03. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. "?ASSISTANCE SYSTEM FAILURE FAULT CODES 03058E/030557 IN DSC CONTROL UNIT. Check Control Message (CCM): ""Assistance system failure"" is displayed. One or both of the following fault codes may appear in the Dynamic Stability Control (DSM) control unit: * 03058E - Engine control unit operating fluid - acceleration sensors adaptive data sensor tolerance at maximum value * 030557 - Engine control unit operating fluid - steering angle driver adaptive data for steering angle tolerance at maximum value Software error in the DSC control unit. "
B7204172018-11-26. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; SEAT BELTS. FALSE WARNINGS THAT THE FRONT PASSENGER SEAT IS OCCUPIED WITHOUT THE SEAT BELT BUCKLED. Acoustic and visual warnings indicate that the front passenger seat is occupied and the seat belt is not fastened, when the seat is actually unoccupied. If the situation is currently present, sit in the seat and move the seat to a different position then the POL (Passenger Occupancy Light) light will function correctly. In some cases the Air bag Warning Light was illuminated. Advanced Crash Safety Module (ACSM) fault "930A1C - Front passenger seat occupancy detection transmitting fault (moisture)" is stored. 1. Electronics (for example smart phones or laptops) are connected to the USB charging port or cigarette lighter and placed on the seat. 2. The seat was wet (e.g. very high humidity, spilled liquids or rain). 3. Faulty plug connection to Evaluation Electronics CIS (Capacitive Interior Sensing). 4. Excessive spacing between seat mat sensor signal wires and their grounding shield sleeve. * Drying the seat mat due to moisture. * If there is no moisture, secure loose cables and install 2 cable ties * If the 2 cables ties are already installed properly, replace the seat mat * Statement added to SI - do not replace the CIS electronics or the ACSM module for this siutation.
B6205182018-10-09. Service bulletin. ELECTRICAL SYSTEM. HEADS UP DISPLAY SPORADICALLY INOPERATIVE: Fault memory entry ÒB7F6E4 HUD: Fault in display backlighting is stored in the instrument cluster.
B5205182018-10-09. Service bulletin. SEATS; ELECTRICAL SYSTEM. SEAT MEMORY SWITCH SPORADICALLY NOT FUNCTIONING: Selecting one of the saved seat positions (via the memory seat position switch on the door panel), fails to work.
B6204182018-05-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. BRIEF FLICKERING OF THE INSTRUMENT CLUSTER AFTER ENGINE STARTUP: When starting the vehicle, a brief flickering of the instrument cluster (KOMBI) can be seen

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.