BMW X4 Service Bulletins (2021)
168 manufacturer communications on file.
- July 17, 2026•Document ID: 11035500Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- B110426
- Date Added:
- August 3, 2026
- Manufacturer:
- BMW
SummaryThe manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
Associated Products (7)Associated Documents - June 29, 2026•Document ID: 11035497Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- B010324
- Date Added:
- August 3, 2026
- Manufacturer:
- BMW
SummaryThe EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
Associated Products (18)Associated Documents - 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 - April 30, 2025•Document ID: 11017504Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- B661719
- Date Added:
- May 2, 2025
- Manufacturer:
- BMW
SummaryThe vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This appliesonly to the situation where the Active PDC option is activated via the iDrive.
Associated Products (2)Associated Documents - January 6, 2025•Document ID: 11013058Warranty Program/ExtensionAIR BAGS
- Mfr Comm. #:
- B650122
- Date Added:
- January 23, 2025
- Manufacturer:
- BMW
SummaryThe limited warranty for the Knee Air Bag wire harness repair cable procedure for defects in materials and / or workmanship has been extended to 10 years / 120,000 miles as determined from the original first in-service / delivery date.
Associated Products (2)Associated Documents - April 4, 2024•Document ID: 10253326Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- B410722
- Date Added:
- May 3, 2024
- Manufacturer:
- BMW
SummaryWhile driving the vehicle on normal roads at10mph and above, a "cracking" sound from the top of the B-pillar(s) is heard.
Associated Products (8)Associated Documents - March 14, 2024•Document ID: 10252033Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- B310122
- Date Added:
- April 1, 2024
- Manufacturer:
- BMW
SummaryDuring inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/o router CV boots.
Associated Products (25)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 - February 16, 2024•Document ID: 10250374Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- Mfr Comm. #:
- B640422
- Date Added:
- March 2, 2024
- Manufacturer:
- BMW
SummaryAn interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the recirculated airflap moves to a different position. Due to the complex design of the heating and air-conditioning unit, the kinematics causing it (top or bottom,left or right) may not be able to be precisely located. Depending on the vehicle model, the number of servomotors (and the associated kinematics unit) varies.Various models use either 2 or 3 servomotors.
Associated Products (32)Associated Documents - January 29, 2024•Document ID: 10249425Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B170122
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe Check Control message below appears even though the coolant level is not below minimum when theengine is cold. Check Control message (ID 166): Top up coolant.
Associated Products (18)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 9, 2024•Document ID: 10249016Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- B310124
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryWith the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31 01 24. The sound can reoccur when the vehicle is lowered, and the wheels are once again under load. The noise might also be heard for a short time while driving.
Associated Products (20)Associated Documents - January 8, 2024•Document ID: 10249024Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- B541119
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThis bulletin outlines known areas of possible water entry, operational noise, or wind noise for the vehicles listed above. It serves only as a diagnostic resource in troubleshooting complaints from the roof area. This bulletin and the associated attachments are designed to provide one single diagnostic resource for troubleshooting all known issues related to the panoramic sunroof of BMW Sports Activity Vehicles which have quality improvement measures already in place.
Associated Products (18)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 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 (70)Associated Documents - December 15, 2023•Document ID: 10247574Service Bulletin/Repair InstructionsSEATS
- Mfr Comm. #:
- B521823
- Date Added:
- January 3, 2024
- Manufacturer:
- BMW
SummaryA noise can be heard from underneath the seat while the seat is being moved either forwards or backwards. This can occur to the driverâÂÂs and/or the passengerâÂÂs front seat.
Associated Products (8)Associated Documents - November 28, 2023•Document ID: 10246225Service Bulletin/Repair InstructionsAIR BAGS
- Mfr Comm. #:
- B650122
- Date Added:
- December 6, 2023
- Manufacturer:
- BMW
SummaryA check control message (CCM) for the restraint system (Air bag) appears. In the instrument cluster, the red air bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: short circuit to negative terminal 93094F - Knee airbag, front passenger: short circuit to negative terminal 93094C - Knee airbag driver's side: Resistance too great 930952 - Knee airbag, front passenger: Resistance too great
Associated Products (2)Associated Documents - October 18, 2023•Document ID: 10244239Service Bulletin/Repair InstructionsVISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE
- Mfr Comm. #:
- B540421
- Date Added:
- November 1, 2023
- Manufacturer:
- BMW
SummaryThis situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
Associated Products (19)Associated Documents