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Service bulletins for the 2018 BMW 540i

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
B1211212021-12-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. ???When charging the vehicle with an Occasional Use Charger (OUC) after previously using a Wallbox charger, the selected charging current might not be displayed correctly in the instrument cluster.
B1210212021-12-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. The customer complains that under moderate throttle application or on deceleration after throttle application, a Malfunction Indicator Lamp (MIL) is displayed in the instrument cluster.
B0010202021-12-27. Service bulletin. ELECTRICAL SYSTEM. BMW of North America (BMW NA) has made information available online to customers about software versions, including any changes to vehicle functionality that will result from each update.
B6116212021-12-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The "energy management" Check control message (ID code 415) is falsely displayed when entering the vehicle.
B6509192021-12-20. Service bulletin. ELECTRICAL SYSTEM. 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, the system works again after a short interruption.
B6408212021-12-13. Service bulletin. ELECTRICAL SYSTEM. The air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38F to 60F +) without changing any climate control settings. In some cases the air conditioning may have stopped blowing cold air altogether.
B6407212021-12-13. Service bulletin. ELECTRICAL SYSTEM. Only warm air comes out of the vents despite the air conditioning being switched on. The status indicator LED on the air conditioning control panel (IHKA) lights up green.
SIB1204212021-12-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. A software optimization affecting vehicle performance has been made available.
B1208212021-11-08. Service bulletin. ELECTRICAL SYSTEM. When charging the vehicle with an Occasional Use Charger (OUC) after previously using a Wallbox charger,the selected charging current might not be displayed correctly in the instrument cluster.
SIB 62 03 212021-10-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. When the vehicle is operated in Sport Mode, the engine speed is no longer displayed in the BMW Head-Up Display (HUD).
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.
B6512212021-09-07. Service bulletin. 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. Most of the vehicles are at the VDCs and will be repaired before delivering the vehicle to the dealer.
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.
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.
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.
B6601212021-04-26. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. REMOTE-CONTROL PARKING FAILS AFTER ENGINE START: When trying to park the vehicle using remote-control parking, the function fails after engine start.
B6208182021-04-26. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT CLUSTER DISPLAY SHAKES-SHIFTS TO THE LEFT: The Instrument cluster intermittently flickers, shakes and has shifted to the left.
B6101212021-03-15. Service bulletin. ELECTRICAL SYSTEM. VOLT BATTERY MAINTENANCE: 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.
B6127202021-02-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. CHECKING THE JUMP START POINT COVER AND REWORKING IF NECESSARY: It is possible that the jump start terminal point cover was not installed, or not properly installed on the affected vehicles.
B6101212021-02-22. Service bulletin. STRUCTURE:BODY:HOOD; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY DOES NOT CHARGE WITH EXTERNAL CHARGER AND CLOSED HOOD: After the vehicle has been charged using a 12 V charger with the hood closed during a long stationary period, the 48 V battery may be totally discharged, and possible replacement is needed.
B3401212021-02-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). DYNAMIC STABILITY CONTROL (DSC) UNIT DOES NOT RESPOND AFTER PROGRAMMING: After programming the vehicle using ISTA, the DSC control unit does not respond. Or: In the case of a BMW Remote Software Upgrade, the customer gets a Check Control message: "BMW Remote Software Upgrade failed. Vehicle is not operational. Please call BMW Roadside Assistance."
B6618202021-02-08. Service bulletin. ELECTRICAL SYSTEM. ?GESTURE CONTROL UNINTENDED OPERATION: The Gesture camera inadvertently detects movement and performs unintended operations.

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