BMW 640i Service Bulletins (2020)
137 manufacturer communications on file.
- July 21, 2025•Document ID: 11020927Service Bulletin/Repair InstructionsVISIBILITY/WIPER
- Mfr Comm. #:
- B630418
- Date Added:
- July 28, 2025
- Manufacturer:
- BMW
SummaryOne or more of the LED daytime running lights are dim or discolored.
Associated Products (8)Associated Documents - March 14, 2024•Document ID: 10252031Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- B630418
- Date Added:
- April 1, 2024
- Manufacturer:
- BMW
SummaryOne or more of the LED daytime running lights are dim or discolored.
Associated Products (125)Associated Documents - March 4, 2024•Document ID: 10252038Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B120721
- Date Added:
- April 1, 2024
- Manufacturer:
- BMW
SummaryCheck Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damaged or prematurely worn. Torn drive belt.
Associated Products (71)Associated Documents - January 16, 2024•Document ID: 10249437Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
- Mfr Comm. #:
- B510819
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe basic conditions for initializing the power windows are not met.
Associated Products (652)Associated Documents - January 11, 2024•Document ID: 10249027Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B611305
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle âÂÂdischarged batteryâ complaints.
Associated Products (1018)Associated Documents - January 5, 2024•Document ID: 10249032Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- B610524
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 ÃÂâÃÂÃÂÃÂàÃÂâÃÂÃÂÃÂÃÂHU-H: ResetÃÂâÃÂÃÂÃÂàwill be stored in the HU-H3.
Associated Products (175)Associated Documents - January 5, 2024•Document ID: 10249015Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- B160123
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryA vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5mm For: Model vehicles other that the ones listed above, or for EVAP faults related to a âÃÂÃÂlarge leak,âÃÂàafter confirming that the fuel filler cap is fitted properly, then, proceed to follow the corresponding test plan
Associated Products (106)Associated Documents - January 4, 2024•Document ID: 10249017Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320223
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummarySITUATION Unusual noises occur only when operating the steering column in the axial direction. 1. A one-time thump sound at the start of movement Shortly after the steering column starts moving, retracting, or extending, a one-time thump noise is heard. See attached video V32 03 23 2. Humming noise while steering column extends in the axial direction. The sound is only heard when the steering column is extended, not when the steering column is retracted. When the steering column starts to move in the extended direction, the humming noise can be heard. See attached video V32 04 23
Associated Products (115)Associated Documents - November 13, 2023•Document ID: 10245365Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B011423
- Date Added:
- December 6, 2023
- Manufacturer:
- BMW
SummaryPRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES
Associated Products (126)Associated Documents - November 9, 2023•Document ID: 10245367Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B120721
- Date Added:
- December 6, 2023
- Manufacturer:
- BMW
SummaryCheck Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damaged or prematurely worn. Torn drive belt.
Associated Products (74)Associated Documents - August 1, 2023•Document ID: 10242694Service Bulletin/Repair InstructionsSEATS
- Mfr Comm. #:
- B520121
- Date Added:
- September 25, 2023
- Manufacturer:
- BMW
Summary?The front seat will not calibrate/initialize, and the stored faults cannot be deleted.
Associated Products (114)Associated Documents - August 1, 2023•Document ID: 10242691Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320223
- Date Added:
- September 25, 2023
- Manufacturer:
- BMW
Summary?Unusual noises occur only when operating the steering column in the axial direction.
Associated Products (95)Associated Documents - June 1, 2023•Document ID: 10239614Service Bulletin/Repair InstructionsVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- Mfr Comm. #:
- B640821
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryThe 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 (38 F to 60 F +) without changing any climate control settings.
Associated Products (97)Associated Documents - June 1, 2023•Document ID: 10239611Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EXTERIOR LIGHTING
- Mfr Comm. #:
- B630821
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryHeadlight check control (CC) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded
Associated Products (143)Associated Documents - June 1, 2023•Document ID: 10239604Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320420
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryA groaning type noise is heard during the height adjustment.
Associated Products (74)Associated Documents - June 1, 2023•Document ID: 10239602Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- B160123
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryA vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system (NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5 mm.
Associated Products (139)Associated Documents - May 1, 2023•Document ID: 10238090Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B651523
- Date Added:
- June 26, 2023
- Manufacturer:
- BMW
SummaryAfter programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
Associated Products (262)Associated Documents - May 1, 2023•Document ID: 10238083Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B610123
- Date Added:
- June 26, 2023
- Manufacturer:
- BMW
SummaryDue to a software error, the vehicle sporadically does not achieve sleep mode. As a result, the 12-volt battery becomes discharged and may cause a no-start condition.
Associated Products (112)Associated Documents - May 1, 2023•Document ID: 10238081Service Bulletin/Repair InstructionsSTRUCTURE:BODY:TAILGATE
- Mfr Comm. #:
- B514616
- Date Added:
- June 26, 2023
- Manufacturer:
- BMW
SummaryUpon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
Associated Products (211)Associated Documents - April 1, 2023•Document ID: 10236236Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR
- Mfr Comm. #:
- SIB660823
- Date Added:
- May 15, 2023
- Manufacturer:
- BMW
SummaryIssues with the various functions of the camera-based driver assistance systems (KAFAS system) can possibly lead to following customer complaints: KAFAS camera system deactivates itself, due to system restrictions that are not clear to the customer KAFAS camera system cannot be activated due to system restrictions that are not clear to the customer Road signs are sporadically not detected.
Associated Products (132)Associated Documents