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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
B8401202020-02-18. 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).
B6608172020-02-18. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM:SOFTWARE. REAR VIEW CAMERA FAILS TO DISPLAY IMAGE: This Service Information Bulletin (Revision 5) replaces SI B66 08 17 dated March 2018. Sporadically when the rear view camera is activated no image appears in the display. The rear view camera can be activated by either: 1. Selecting reverse with the shift selector 2. Camera activation via the button on the center console Camera function returns after a terminal change. Note: This error situation can rarely if ever be duplicated on demand. Head-unit interface software start-up synchronization error for the rear view camera.
B6505202020-02-18. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM:SOFTWARE. FAULT 930C1E IS FOUND IN THE ACSM: Vehicle comes into the workshop with the following illuminated: Check Engine Light DSC warning lamp Air bag warning lamps During diagnosis the following fault code is found stored in the ASCM (Advanced Crash Safety Module): 930C1E internal ECU error If the fault is cleared it returns immediately. The root cause is under investigation.
B6209192020-01-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER REMAINS DARK AFTER STARTING THE VEHICLE: Instrument cluster remains dark after starting the vehicle. After a restart normal functionality is restored. Software error in the KOMBI (Instrument Cluster).
B1203192020-01-21. Service bulletin. ELECTRICAL SYSTEM. ENGINE DOES NOT START BELOW FREEZING TEMPERATURES: Engine designation correction Parts availability Warranty. The engine will not start at temperatures below freezing. The starter does not turn and engage.
B6208182018-10-09. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT CLUSTER DISPLAY SHAKES-SHIFTS TO THE LEFT: The Instrument cluster intermittently flickers, shakes and has shifted to the left.
B6206182018-10-09. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. FUEL GAUGE INCORRECTLY DISPLAYING LOW FUEL LEVEL AFTER VEHICLE IS REFUELED: Occasionally, on restart after refueling, the fuel gauge will display the fuel level as low (minimum) and the range display will be at an implausible (maximum) value.
B6205182018-10-09. Service bulletin. ELECTRICAL SYSTEM. HEADS UP DISPLAY SPORADICALLY INOPERATIVE: Fault memory entry ÒB7F6E4 HUD: Fault in display backlighting is stored in the instrument cluster.
B5205182018-10-09. Service bulletin. SEATS; ELECTRICAL SYSTEM. SEAT MEMORY SWITCH SPORADICALLY NOT FUNCTIONING: Selecting one of the saved seat positions (via the memory seat position switch on the door panel), fails to work.
B8408182018-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. HEAD UNIT HIGH 2 RESET WHILE BLUETOOTH IS CONNECTED: The following event may cause an unexpected reset of the Head Unit High 2 (NBT EVO) when:
B8406162018-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. BMW ONLINE NON-FUNCTIONAL: CHECK ICC-ID IN ACCOUNT: BMW Online/BMW ConnectedDrive not functional.
B6205182018-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. HEADS UP DISPLAY SPORADICALLY INOPERATIVE: Fault memory entry ÒB7F6E4 HUD: Fault in display backlighting Òis stored in the instrument cluster.
B6113162018-07-16. Service bulletin. ELECTRICAL SYSTEM. KLE CHARGING FAULT 21E6E9: During the ISTA short test diagnosis, fault code 21E6E9 Ð ÒCharging electronics: Charging mode interruptedÓ is found stored in the KLE (Convenience Charging Electronics) module.
B6513162018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. NBT-EVO Head Unit Cannot be Swapped between Vehicles for Testing: If either the NBT-EVO head unit or Body Domain Controller (BDC) are swapped into a different vehicle they will cause the head unit NBT-EVO to enter a locked mode once it recognizes a different VIN.
B6212152018-05-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER OUTSIDE TEMPERATURE DISPLAY IMPLAUSIBLE: In the Instrument Cluster (Kombi) display you may observe an implausible outside temperature reading.
B6122172018-05-21. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC COMMUNICATION WITH FLEXRAY CONTROL MODULES NOT POSSIBLE: There are no customer complaints associated with this issue.
B6219172018-05-07. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT CLUSTER REMAINS DARK AFTER STARTING THE VEHICLE: Upon starting the vehicle (terminal 15 switched on), the instrument cluster does not function (stays dark, no needle response, no bus communication).
B6202182018-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. VEHICLE CHECK DISPLAYS DUE IN CBS DATA AFTER RESET FOR 2ND OIL SERVICE: After reset of service interval (e.g. oil change), the vehicle check is displayed as "Due" (yellow).
B6101182018-05-07. Service bulletin. ELECTRICAL SYSTEM. HIGH VOLTAGE SYSTEM: ISOLATION FAULTS: The Check Control message (CCM), "Powertrain malfunction!" is displayed.
B1208182018-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. ROUGH RUNNING AND VARIOUS VANOS FAULTS STORED: The check engine light is illuminated and the vehicle may run rough at idle and while driving.

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