WenmarOpen by Wenmar Pro

Service bulletins for the 2020 BMW M8

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.

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

By type

By component

Bulletins, newest first
B5207202020-11-16. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. SEAT HEATING NOT ACTIVATED WHEN ENGINE IS STARTED USING REMOTE STARTING SYSTEM: When preheating/precooling the vehicle via the remote starting system (Remote Engine Start), the seat heating on the driver's side is not activated.
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.
B5112192020-10-19. Service bulletin. STRUCTURE. KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.
B3301202020-10-19. Service bulletin. SUSPENSION. REAR AXLE SHUDDER AT SLOW SPEEDS: There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning Incorrect actuating pressure in the M-differential clutch plates.
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.
B6615192020-09-14. Service bulletin. LANE DEPARTURE. LANE DEPARTURE WARNING - STEERING INTERVENTION TOO STRONG: The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time. Software error in the KAFAS (camera-based driver assistance system) control unit.
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).
B0902202020-09-14. Service bulletin. ELECTRICAL SYSTEM. REMOTE SOFTWARE UPGRADE: For BMW, Remote Software Upgrade (RSU) is the next consequent step with regard to digitalization and customer satisfaction. With the introduction of RSU, customers now can update the vehicle software by themselves.
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.
B6512202020-08-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. BMW CONNECTEDDRIVE APPS ARE NO LONGER AVAILABLE AFTER PROGRAMMING: After programming vehicle with "20-03" software, BMW ConnecedDrive apps are no longer available in the head unit. Software in the Head Unit High (HU-H3).
B6507092020-08-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best navigation experience, we do everything in our power to create the best maps. Your reports help us to detect changes in your area and keep future versions of our maps as accurate as possible. Therefore, a road map error or missing data must be reported directly to the map supplier.
B6201192020-08-31. Service bulletin. EQUIPMENT:ELECTRICAL. INSTRUMENT CLUSTER AND ONBOARD COMPUTER INTERMITTENTLY INOPERATIVE: The audio source, radio station, or music track cannot be changed using the MFL. Normal functionality may possibly return after a sleep cycle or a battery reset. This affects vehicles with: Integration level S18A-18-11-5xx Live Cockpit Professional (option code 6U3) including the instrument cluster High 4.1. While the Kombi is not working properly the rest of the system is working properly. The customer can still use the Central Information Display (CID) for items such as entertainment settings, Driver Experience settings, etc, utilizing the I drive controller. The telephone functions are not affected. Unfavorable software at system start-up.
B6611202020-06-15. Service bulletin. ELECTRICAL SYSTEM. REVERSING ASSISTANT LIMITATIONS: The Reversing Assistant function is not operating to customer expectations. Some possible customer concerns are: Vehicle does not avoid objects in its path tires or wheels contact the curb reversing Assistant only works for a short distance.
B6609202020-06-15. Service bulletin. ELECTRICAL SYSTEM. SURROUND VIEW WRONG VEHICLE DISPLAYED AFTER PROGRAMMING: After programming the wrong vehicle model is displayed in the Central Information Display (CID) when the Surround View is activated.
B2702202020-06-15. Service bulletin. LANE DEPARTURE; WHEELS. JERKING OR SHUDDERING FROM THE DRIVELINE (XDRIVE TRANSFER CASE ATX13-X): There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages. CAUSE Unevenly worn or incorrect fitment tires are installed on the vehicle or the factory-filled transfer case oil does not meet BMW specifications.
B8402202020-05-18. Service bulletin. ELECTRICAL SYSTEM. REMOTE 3D VIEW NOT AVAILABLE: Remote 3D View cannot be launched In the BMW ConnectedDrive App. Software error in the Advanced Telematics Module 2 (ATM2).
B8401202020-05-18. Service bulletin. ELECTRICAL SYSTEM. BMW CONNECTEDDRIVE SERVICES ARE NOT AVAILABLE: The BMW ConnectedDrive services are not available for an extended period. This may include: Calls in the BMW Assistance app (Concierge Service) Vehicle data and status in the BMW ConnectedDrive app Remote services Remote 3D View Real Time Traffic Information (RTTI) Weather News Software error in Advanced Telematics Module 2 (ATM2).
B6610202020-05-18. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. KAFAS04 (CAMERA-BASED DRIVER ASSISTANCE SYSTEMS) LIMITATIONS: Various functions of the KAFAS (without radar installed) are not operating up to customer expectations.
B6607202020-05-18. 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.
B8402142020-04-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin (Revision 7) replaces SI B84 02 14 dated May 2019. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information Bulletin: Is being published because vehicles are down for an extended period of time when researching system failures with ConnectedDrive or BMW Assist. Will assist you both in identifying the issue and providing technical support. CAUSE Not enough information is available for BMW NA engineers to assist the technician in diagnosing the root cause.
B6631192020-04-27. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR. REARVIEW CAMERA: SPORADICALLY NO IMAGE IS DISPLAYED: This Service Information Bulletin (Revision 2) replaces SI B66 31 19 dated February 2020. When reverse gear is selected or the rear view camera is activated sporadically no image is displayed on the Central Information Display (CID). If the ignition is cycled off and back on the function is restored. Software error between the head unit and the rear-view camera.
B6619192020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL; LATCHES/LOCKS/LINKAGES. COMFORT ACCESS AND COMFORT GO NOT POSSIBLE: This Service Information Bulletin (Revision 1) replaces SI B66 19 19 dated May 2019. 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. The Display Key Digital Key and the Digital Key Card are not affected. Electrostatic discharge puts the remote control key into a deep sleep. Various situations can lead to an electrostatic charge which is often not recognized by the customer. For example walking over carpet wearing shoes that have a hard rubber sole positive and negative charges are exchanged. The sole accumulates a negative charge and an electrostatic charge develops before touching the remote control key.

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