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Service bulletins for the 2018 BMW 640i

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.

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

By type

By component

Bulletins, newest first
B6105202020-03-16. Service bulletin. ELECTRICAL SYSTEM. CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER. A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagnosis test plan identifies the Controller as the root cause of the CCM. The Controller delays the vehicle going to sleep by up to 6 minutes. In some cases this will cause the CCM 415 to be displayed when starting the vehicle. Replacing the Controller in this case will not correct this situation.
B1101202020-03-16. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL FILTER INSERT IS DIFFICULT TO REMOVE - REMOVAL: This Service Information Bulletin (Revision 1) replaces SI B11 01 20 dated February 2020. On rare occasions during an engine oil service the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing. The engine oil filter is broken. The paper is torn and the lower plastic section is stuck in the engine oil filter housing (1).
B0105182020-03-16. Service bulletin. ENGINE. LIMITED WARRANTY EXTENSIONTO 10 YEARS/120000 MILES: This Service Information Bulletin replaces SI B01 05 18 dated July 2019. Engine starts poorly (hard starting) rough idle and misfires. The Service Engine Soon (MIL) lamp is on.
B8402202020-02-18. 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).
B8401202020-02-18. 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).
B6620172020-02-18. Service bulletin. EQUIPMENT. DISPLAY KEY IS NON-FUNCTIONAL: This Service Information Bulletin (Revision 3) replaces SI B66 20 17 dated October 2019. The display key is non-functional. Display Key cannot be charged or switched on. An incorrect vehicle model appears on the key display. Possible defective display key battery or display key.
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.
B1112192020-02-18. Service bulletin. ENGINE AND ENGINE COOLING. MALFUNCTION INDICATOR LAMP IS ILLUMINATED WITH A CRANKSHAFT ADAPTION FAULT: When diagnosing an illuminated malfunction indicator lamp (MIL) and/or a different issue the following faults may also be stored in the Digital Motor Electronics (DME). Fault code Control module Fault code text 213A2B DME Increment wheel adaption faulty This situation is not associated with any drivability complaints and only affects vehicles built with a Factory I-level of 19-07-500 and later. An unfavorable DME diagnostic calibration may cause the fault code to be stored. In most circumstances this will cause the MIL to be illuminated.
B6210192020-01-21. Service bulletin. SERVICE BRAKES. INCORRECT CONDITION BASED SERVICE DATA FOR BRAKE FLUID SERVICE. "Brake fluid service due since 12/2001" is displayed in the instrument cluster although the vehicle is only a maximum of 1 year old. Software error in the KOMBI (Instrument Cluster).
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).
B5408192020-01-21. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; VISIBILITY. SUNROOF REVERSES WHEN CLOSING: The sunroof reverses direction (anti-traps) just as the sunroof glass meets the wind deflector. The sunroof may not properly initialize as a result.
B5113192020-01-21. Service bulletin. LATCHES/LOCKS/LINKAGES. DOOR LATCHING COMPLAINTS IN COLD WEATHER: Below freezing ambient temperatures: One or more doors (front or rear) may not open when attempting to enter or After opening they may not correctly latch A leaking seal on the outer Bowden release cable may allow water to enter the cable sheathing and freeze.
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.
B6522192019-12-16. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. NO AUDIO IS AVAILABLE FOR APPROXIMATELY 30 SECONDS AFTER HEAD UNIT START UP: After programming vehicle no audio is available for approximately 30 seconds after head unit start-up. Fault code B7F490 "Control unit reset" is present in the RAM (Receiver Audio Module).
B6510192019-12-16. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. ENGINE SPEED DEPENDENT NOISE DURING AUDIO PLAYBACK: Integration level updated. There is an engine speed-dependent noise heard through the speakers during audio playback. Software error in the Receiver Audio Module (RAM) control unit.
B6201192019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER AND ONBOARD COMPUTER INTERMITTENTLY INOPERATIVE: Instrument Cluster (KOMBSP18) functions are intermittently inoperative including: On-board Computer (BC) button on turn signal stalk (BC button shown at left) Radio displays Menu button Turn signal displays Arrows on multifunction steering wheel MFL thumbwheel control.
B6123152019-12-16. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD WIPER/WASHER. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full : The low washer fluid warning is illuminated even though the washer fluid reservoir is full. There are no faults stored in the system for the washer fluid level switch. A non-approved washer fluid was used that is silicone-based. Silicone-based fluids are not compatible with the contactless capacitive level sensor. Fluids that contain a silicone additive are normally colored other than blue.
B3403192019-12-16. Service bulletin. STRUCTURE:BODY:DOOR. HUMMING RUMBLING NOISES AFTER OPENING THE DOOR: After waking up/unlocking and entering the vehicle a humming/rumbling noise may occur.
B6620172019-11-18. Service bulletin. EQUIPMENT. DISPLAY KEY IS NON-FUNCTIONAL. This Service Information Bulletin (Revision 2) replaces SI B66 20 17 dated September 2018. What's New: The display key is non-functional. Display Key cannot be charged or switched on. An incorrect vehicle model appears on the key display. Possibly defective display key.
B5408192019-11-18. Service bulletin. VISIBILITY. SUNROOF REVERSES WHEN CLOSING. What's New: The sunroof reverses direction (anti-traps) just as the sunroof glass meets the wind deflector. The sunroof may not properly initialize as a result.
B6514192019-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT: The CID screen may light up blue. When this occurs A battery reset is not successful in restoring head unit operation Software error in the Bootloader file (BTLD) of the head unit.
B6112192019-10-21. Service bulletin. ELECTRICAL SYSTEM. DELIVERY STOP: REPLACE THE GEAR SELECTOR SWITCH: The functional lighting and/or locator lighting on the Shifter selector lever (GWS) may flicker over time or intermittently not illuminate. The GEAR SELECTOR SWITCH may not have been produced to specifications.
B5408192019-10-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. SUNROOF REVERSES WHEN CLOSING: The sunroof reverses direction (anti-traps) just as the sunroof glass meets the wind deflector. The sunroof may not properly initialize as a result.
B7204172019-10-21. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES. FALSE WARNINGS THAT THE FRONT PASSENGER SEAT IS OCCUPIED WITHOUT THE SEAT BELT BUCKLED: Acoustic and visual warnings indicate that the front passenger seat is occupied and the safety belt is not fastened when the seat is actually unoccupied.
B6623192019-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. DRIVERS ASSISTANCE SYSTEM: CHECK CONTROL MESSAGE IS DISPLAYED. The Driver Assistance System limited warning message is displayed.

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