BMW 540i Service Bulletins (2021)
167 manufacturer communications on file.
- May 6, 2026•Document ID: 11032731Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- B010324
- Date Added:
- May 18, 2026
- Manufacturer:
- BMW
SummaryThe EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
Associated Products (28)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 (39)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 (34)Associated Documents - January 16, 2024•Document ID: 10249437Service Bulletin/Repair InstructionsVISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM
- Mfr Comm. #:
- B510819
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe basic conditions for initializing the power windows are not met.
Associated Products (77)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 (194)Associated Documents - January 8, 2024•Document ID: 10249018Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B360121
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryAt low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.
Associated Products (77)Associated Documents - January 5, 2024•Document ID: 10249032Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT
- 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 (79)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 (38)Associated Documents - December 20, 2023•Document ID: 10247567Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B160623
- Date Added:
- January 3, 2024
- Manufacturer:
- BMW
SummaryEngine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: pressure value too low CDA594 - Message (- 0x33E) missing, receiver DME, transmitter TFE
Associated Products (33)Associated Documents - November 22, 2023•Document ID: 10245422Service Bulletin/Repair InstructionsEQUIPMENT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- B653423
- Date Added:
- December 6, 2023
- Manufacturer:
- BMW
SummaryCustomers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicleâÂÂs equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is noticeable. Additionally, the red anti-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed.
Associated Products (42)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 (11)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 (34)Associated Documents - August 1, 2023•Document ID: 10242698Service Bulletin/Repair InstructionsVISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:ROOF AND PILLARS
- Mfr Comm. #:
- B540521
- Date Added:
- September 25, 2023
- Manufacturer:
- BMW
Summary?The sunroof will not operate in either direction.
Associated Products (23)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 (31)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 (33)Associated Documents - August 1, 2023•Document ID: 10242688Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; POWER TRAIN
- Mfr Comm. #:
- B240323
- Date Added:
- September 25, 2023
- Manufacturer:
- BMW
Summary?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
Associated Products (29)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 (35)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 (69)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 (14)Associated Documents - June 1, 2023•Document ID: 10239603Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- B240223
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryBMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
Associated Products (33)Associated Documents