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Service bulletins for the 2021 BMW M440i

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.

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

By type

By component

Bulletins, newest first
SIB 61 09 212021-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. Check control message (CCM-ID 49) "You can continue driving. Drivetrain". In addition, the following information is shown on the Central Information Display (CID): "You can continue to drive. No roadside assistance necessary. To avoid subsequent damage, arrange an appointment with your Service Partner".
SIB 61 08 212021-10-25. Service bulletin. EQUIPMENT. The cigarette lighter is difficult or impossible to pull it out.
SIB 61 04 212021-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. The customer may complain of a check control message stating "Safe share detected" (CCM-ID 953). Check control message can be verified by checking key reader information or performing the Check control message history service function.
SIB 61 01 212021-10-25. Service bulletin. ELECTRICAL SYSTEM. 48 V battery may become totally discharged, and possible replacement needed if: a) The vehicle has been charged using a 12 V charger with the hood closed during a long stationary period, the. For example, the showroom or storage. b) Vehicles stored for an extended period connected to a low output solar or trickle charger. c) Vehicles stored for an extended period with no charger connected and not properly maintained 12 V battery.
B6629192021-09-07. Service bulletin. EQUIPMENT:ELECTRICAL. The top view image of the vehicle is misaligned when observed in the Control Information Display (CID). When the vehicle is parked in a parking spot with line markings, it is clearly noticed in the CID that the lines are not parallel to the side of the vehicle. This may be noticed on either the driver side, passenger side or both.
B6517212021-09-07. Service bulletin. EQUIPMENT:ELECTRICAL. The BMW key card cannot be activated. The activation menu in the BMW iDrive is missing.
B6507212021-08-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. HU-H3 MGU RESETS DUE TO BLUETOOTH CONNECTION WITH SAMSUNG ANDROID 11 : The head unit resets when using various apps (e.g., YouTube, Spotify, etc) on the connected mobile phone. This affects Samsung mobile phones (e.g., Galaxy S20 / S21) with the Android 11 operating system.
B6505212021-08-23. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; AIR BAGS; EQUIPMENT. WHIRRING NOISES FROM THE STEERING WHEEL . When driving over rough road surfaces/cobblestones, there is a whirring/squeaking noise coming from the steering wheel-mounted air bag assembly.
B6511212021-08-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. SiriusXM satellite radio is not working and does not display a channel list.
B6508212021-08-09. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; STRUCTURE:INTERIOR PANELS:DASHBOARD; EQUIPMENT. Customer states the Central Information Display is flickering and the picture is shifting.
B6104212021-08-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; ENGINE. The customer may complain of a check control message stating "Safe share detected" (CCM-ID 953). Check control message can be verified by checking key reader information or performing the Check control message history service function.
B5110212021-07-19. Service bulletin. BACK OVER PREVENTION; STRUCTURE:BODY:TRUNK LID. SERVICE ACTION: CHECK BADGE ON TAILGATE, REPLACE IF NECESSARY . The "BMW" trunklid emblem (arrow) which contains the rear-view camera may not have been correctly fastened during vehicle production. It is possible that the emblem & camera may become detached from the vehicle, such as when going through an automated car wash.
B3406212021-07-19. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM:SOFTWARE. SERVICE ACTION: PROGRAM THE DYNAMIC STABILITY CONTROL (DSC) UNIT: Software in the DSC unit could cause a reduction of brake regeneration for the next 40 drive (key) cycles.
B5110212021-07-06. Service bulletin. BACK OVER PREVENTION. SERVICE ACTION: CHECK BADGE ON TAILGATE, REPLACE IF NECESSARY . The "BMW" trunklid emblem (arrow) which contains the rear-view camera may not have been correctly fastened during vehicle production. It is possible that the emblem & camera may become detached from the vehicle, such as when going through an automated car wash.
B3406212021-07-06. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). SERVICE ACTION: PROGRAM THE DYNAMIC STABILITY CONTROL (DSC) UNIT: Software in the DSC unit could cause a reduction of brake regeneration for the next 40 drive (key) cycles.
B6504212021-05-24. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RETROFIT SATELLITE RADIO (OPTION CODE SA655): The affected vehicles were produced with Preparation BMW Satellite Radio (option code SA 693) instead of with Satellite Radio (option code SA 655).
B6201212021-05-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER BASIC PROGRAMMING ABORT: While programming with the current ISTA version, there is a repeated programming abort for the instrument cluster (Kombi).
B6106152021-05-24. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Washer Fluid Reservoir Rattles While Driving on Rough Roads: Rattling noises heard from vicinity of glove box.
B5107212021-05-24. Service bulletin. STRUCTURE:BODY:DOOR. INCREASED EFFORT REQUIRED TO OPEN DOORS: One or more doors may require increased effort to open.
B3601212021-05-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SERVICE BRAKES, AIR:DISC. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
B6629192021-04-26. Service bulletin. BACK OVER PREVENTION. TOP VIEW CAMERA IMAGE IS MISALIGNED: The top view image of the vehicle is misaligned when observed in the Control Information Display (CID).
B6503212021-04-26. Service bulletin. BACK OVER PREVENTION. ASD INTERFERENCE NOISE AT 3500 RPM: An interference noise can be heard when in Sport Mode and accelerating at high loads at approximately 3500 RPM.
B6303182021-04-26. Service bulletin. EXTERIOR LIGHTING; AIR BAGS. LED LIGHT CARPET IS DIM OR DISTORTED: The light carpet may appear dim or distorted on one or both sides. .
B6103212021-04-26. Service bulletin. EQUIPMENT. PROGRAMING THE DUAL STORAGE SYSTEM AND REPLACE IT IF NECESSARY: The 12 V battery's dual storage system (DSS) may contain a software error which intermittently causes a continuous resetting of the microcontroller and communication failure.
B6101202021-04-26. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. ACCESSORIES DO NOT POWER UP FROM THE FRONT 12 V POWER SOCKET PLUG: Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug.

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