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Service bulletins for the 2020 BMW M340i

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.

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

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
B6122192022-01-24. Service bulletin. EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:DOOR. The customer states that the vehicle locks itself when the last door was closed, even though the remote control/display key was inside the vehicle.
B0901212021-12-27. Service bulletin. EQUIPMENT. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians.
B6403212021-12-20. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less.
B6106152021-12-20. Service bulletin. EQUIPMENT. Rattling noises heard from vicinity of glove box.
B0903212021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. In some rare cases a customer vehicle might be excluded from one or more Remote Software Upgrade (RSU) campaigns. This SIB gives an overview how to identify these vehicles and how to proceed in case of a customer complaint.
B0902212021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. With the introduction of BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionalities or modifications in their features with a new Software Update.
SIB 64 03 212021-10-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH; EQUIPMENT ADAPTIVE/MOBILITY. After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. This leads to perceived lower cooling power. The customer may also notice that external odors enter the vehicle.
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.
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.
B8402202021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. REMOTE 3D VIEW NOT AVAILABLE: Remote 3D View cannot be launched In the BMW ConnectedDrive App.
B8401202021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. BMW CONNECTEDDRIVE SERVICES ARE NOT AVAILABLE: The BMW ConnectedDrive services are not available for an extended period.
B6624192021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. REMOTE CONTROL IS NOT DETECTED: Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle maynot start when placing the key against the steering column.
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.
B6512212021-08-09. Service bulletin. EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. BMW AG has issued a Delivery Stop (effective June 9, 2021) on certain Model Year 2021 BMW vehicles that were produced between May 7, 2021 and May 21, 2021. The Receiver Audio Module (RAM) will need to be added to the affected vehicles
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.
B6405212021-08-09. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. A rattling noise is heard in the vehicle interior when the air conditioning is activated.
B6403212021-08-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STRUCTURE:INTERIOR PANELS:DASHBOARD. After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. This leads to perceived lower cooling power. The customer may also notice that external odors enter the vehicle.
B6202212021-08-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. The total electrically driven miles are lost/reset after the vehicle is programmed. This does not affect the total vehicle odometer reading.
B6124202021-08-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some of the vehicles listed above which were initially identified as requiring Recall Campaign 20V-601 - HIGH VOLTAGE BATTERY to be performed and completed are now no longer included in this Recall.
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.

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