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Service bulletins for the 2018 BMW M550i

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.

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

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Bulletins, newest first
B6615202020-12-21. 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.
B6517202020-12-21. Service bulletin. SUSPENSION; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. SERVICE ACTION - INSTALL GROUND STRAP / SUPPRESSOR BELT: Corrosion developing on the rear suspension contact points can lead to poor radio reception over a certain duration of time.
B6509192020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. HEAD UNIT RESETS WITH FAULT CODE B7F8F9 RESET WATCHDOG: Customer states the following about their vehicle: Active radio or music source is interrupted. The navigation is no longer available. A black screen is shown in the Control Display.
B6124202020-12-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. HIGH-VOLTAGE BATTERY CONDITION VERIFICATION (20V-601): After additional in-depth research and analysis of the corresponding data for these vehicles, we can safely conclude that the issue identified in Recall Campaign 20V-601 has been satisfied and no further repair is required.
B6123152020-12-21. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch.
B5127202020-12-21. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; STRUCTURE:BODY. FUEL FILLER DOOR WILL NOT OPEN: The fuel filler door (aka flap) will not open. In rare cases, if the vehicle is locked using the remote control key and the fuel filler door is pushed closed simultaneously, the fuel door can enter a locked state that cannot be unlocked.
B6608202020-11-23. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. SERVICE ACTION - REPLACE RIGHT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the right rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
B6607202020-11-23. Service bulletin. ELECTRICAL SYSTEM. SERVICE ACTION - REPLACE LEFT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
B3204202020-11-23. Service bulletin. STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
B0112192020-11-23. Service bulletin. STRUCTURE. FRONT GRILLE UPPER/LOWER ACTIVE AIR FLAPS: LTD WTY EXT TO 15 YEARS/150,000 MILES: Component-Specific Limited Warranty Extension This component-specific limited warranty extension applies to defects in materials or workmanship. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Air flap issues caused by debris/blockage from outside influences is not a defect in materials or workmanship and is not claimable. During the extended limited warranty coverage period (Eligible vehicles that are beyond the 4 year/50,000 mileage New Vehicle Limited Warranty coverage), Active Air Flap cosmetic defect issues are not covered.
B6608202020-11-16. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. SERVICE ACTION - REPLACE RIGHT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the right rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
B6607202020-11-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. SERVICE ACTION - REPLACE LEFT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
B3204202020-11-16. Service bulletin. ELECTRICAL SYSTEM; STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
B0112192020-11-16. Service bulletin. STRUCTURE:FRAME AND MEMBERS. FRONT GRILLE UPPER/LOWER ACTIVE AIR FLAPS: LTD WTY EXT TO 15 YEARS/150,000 MILES: Component-Specific Limited Warranty Extension This component-specific limited warranty extension applies to defects in materials or workmanship. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Air flap issues caused by debris/blockage from outside influences is not a defect in materials or workmanship and is not claimable. During the extended limited warranty coverage period (Eligible vehicles that are beyond the 4 year/50,000 mileage New Vehicle Limited Warranty coverage), Active Air Flap cosmetic defect issues are not covered.
B6118202020-10-19. Service bulletin. ELECTRICAL SYSTEM. BMW TURBOCORD PORTABLE EV 120 V/240 V CHARGER: The BMW-approved accessory TurboCord electric vehicle (EV) charger will not charge the vehicle.
B3204202020-10-19. Service bulletin. STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
B3203202020-10-19. Service bulletin. STEERING. FAILURE OF THE ELECTRIC STEERING COLUMN ADJUSTMENT AT HIGHER CABIN TEMPERATURE: Electric steering column adjustment fails when interior cabin temperatures rise above 122 degrees F (e.g., parked outdoors on hot day). Faulty self-diagnosis of the steering column control unit.
B6624192020-09-14. Service bulletin. 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. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected. Software error in the BDC (Body Domain Controller) module.
B6619192020-09-14. Service bulletin. ELECTRICAL SYSTEM. COMFORT ACCESS AND COMFORT GO NOT POSSIBLE: Vehicle cannot be unlocked/locked or started via Comfort Access. Remote control functionality is restored by pressing any of the key buttons or by removing and reinstalling the remote control key battery.
B6515202020-09-14. Service bulletin. ELECTRICAL SYSTEM. HEAD UNIT RESETS WHEN NAVIGATION IS USED IN CERTAIN LOCATIONS: The head unit resets sporadically causing the CID to turn black and then starts up again after a short time with the message "Start navigation system". This only occurs during navigation guidance when the "3D building" function is used Software in the Head Unit High (HU-H3).
B6208182020-09-14. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT CLUSTER DISPLAY SHAKES-SHIFTS TO THE LEFT: The Instrument cluster intermittently flickers, shakes and has shifted to the left. The fault is resolved once the vehicle goes into sleep mode.
B6117202020-09-14. Service bulletin. ELECTRICAL SYSTEM. DELIVERY STOP - HIGH-VOLTAGE BATTERY: Please do not charge the vehicle high-voltage battery until further notice. There may be a potential issue in the welding process of the HV-modules.
B5118182020-09-14. Service bulletin. LATCHES/LOCKS/LINKAGES. DOORS WILL NOT COMPLETELY LATCH: One or more doors will not completely latch or will open to the first stage at times. The door lock strikers may be misadjusted.
B1222192020-09-14. Service bulletin. ELECTRICAL SYSTEM. EME GROUND CONNECTION MONITORING FAULTS: Check Control message (CCM ID 794): "Drive. Check as soon as possible" illuminates. Increased ground cable contact resistance at Electrical Machine Electronics (EME) due to corrosion/oxidation.
B0902182020-09-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. NEW ECU VALIDATION NEEDED AFTER REPLACING CERTAIN CONTROL MODULES: With introduction of the new Headunit HU-H3 (MGU Media Graphics Unit), there is a new protection mechanism against tampering. If one or more of the following components needs to be replaced, the secure connection between them must be re-established: MGU TCB Telematic Communication Box (ATM-02) RSE Rear Seat Entertainment and/or KOMBISP18 instrument cluster Prior to re-establishing this connection, an electronic certificate must be created in the BMW backend for importing into the Vehicle. After the replacement of one of the mentioned Modules, the Control Module needs a valid certificate for it to communicate with the other Modules.

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