WenmarOpen by Wenmar Pro

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

Bulletins, newest first
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.
B6608172018-11-26. Service bulletin. BACK OVER PREVENTION; VISIBILITY:REARVIEW MIRRORS/DEVICES. REAR VIEW CAMERA FAILS TO DISPLAY IMAGE. Sporadically, when the rear view camera is activated, either via selecting reverse with the shift selector or by direct camera selection, no image appears in the display. Camera function returns after terminal change. Note: This error situation can rarely, if ever, be duplicated on demand. Head-unit interface software error for the rear view camera.
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.
B3404142018-10-09. Service bulletin. SERVICE BRAKES. Diagnosis of Compound Brake System Complaints in M Vehicles:
B8402142018-10-09. Service bulletin. EQUIPMENT. CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: ConnectedDrive/BMW Assist features are partially or completely inoperative.
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
B1803182018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SERVICE ACTION: CHECK THE EXHAUST CLAMPS AT THE CATALYTIC CONVERTERS (F90): The screw clamps that secure the upper and lower catalytic converters (1) may loosen over time.

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