BMW Z4 Service Bulletins
131 manufacturer communications on file.
- August 22, 2026•Document ID: 11036435OtherUNKNOWN OR OTHER
- Mfr Comm. #:
- B064326
- Date Added:
- August 28, 2026
- Manufacturer:
- BMW
SummaryFastening Elements Return
Associated Products (12)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 - February 4, 2026•Document ID: 11028921Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- B310126
- Date Added:
- February 23, 2026
- Manufacturer:
- BMW
SummaryWhen driving over an uneven road surface, a “thumping” noise can be heard from the front axle. Seeattached video V 31 01 26. Under certain weather conditions, a “groaning” noise may be heard during steering movements
Associated Products (7)Associated Documents - August 8, 2025•Document ID: 11021817Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320123
- Date Added:
- August 13, 2025
- Manufacturer:
- BMW
SummaryWhen turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
Associated Products (11)Associated Documents - May 2, 2025•Document ID: 11018514Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320425
- Date Added:
- May 21, 2025
- Manufacturer:
- BMW
SummaryAfter prolonged straight-ahead driving (e.g. highway driving), there may be a temporary, slightly noticeable increase in steering forces when steering out of the steering wheel center position. This minimally noticeable increase in steering forces is perceived as a slight, brief resistance. After overcoming this brief resistance when steering out of the steering wheel center position, no permanent increase in steering forces is noticeable.
Associated Products (6)Associated Documents - March 27, 2025•Document ID: 11016441Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B540225
- Date Added:
- April 3, 2025
- Manufacturer:
- BMW
SummaryWhile driving on an uneven road, a “clicking”sound is heard from the front bow/cowl panelarea of the convertible top.
Associated Products (3)Associated Documents - February 28, 2025•Document ID: 11014665Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- B640125
- Date Added:
- March 3, 2025
- Manufacturer:
- BMW
SummaryThe customer may hear an intermittent “humming” or “foghorn” type sound in vehicle. It sounds like a lowhum that last for only a few seconds. This can occur with the engine operating or may be heard for up to one hour after engine shut down.
Associated Products (4)Associated Documents - January 13, 2025•Document ID: 11013048Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B540324
- Date Added:
- January 23, 2025
- Manufacturer:
- BMW
SummaryThe convertible top does not open or close.
Associated Products (3)Associated Documents - October 31, 2024•Document ID: 11009555Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B310223
- Date Added:
- November 1, 2024
- Manufacturer:
- BMW
SummaryWhen turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
Associated Products (15)Associated Documents - July 29, 2024•Document ID: 11005449Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- B511219
- Date Added:
- August 2, 2024
- Manufacturer:
- BMW
SummaryA check control message or MIL (Malfunction Indicator Lamp) may be illuminated, with one or more of thefollowing faults stored: 138207 - Active cooling damper control (AKKS), top: blockage at warm ambient temperature 21B043 - Active cooling damper control (AKKS), top: blockage at all ambient temperatures 138222 - Active cooling damper control (AKKS), above: positional deviation error detected at warm ambienttemperature 138209 - Active cooling damper control (AKKS), top: Control deviation at all ambient temperatures 13822B - Active cooling damper control (AKKS), top: Control deviation at all ambient temperatures 21B042 - Active cooling damper control (AKKS), below: blockage at all ambient temperatures 138206 - Active cooling damper control (AKKS), bottom, blockage at warm ambient temperature 138225- Active air-flap control, bottom: top limit position not detected 138224- Active air-flap control, bottom: bottom limit position not detected
Associated Products (6)Associated Documents - June 12, 2024•Document ID: 11002864Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- B650121
- Date Added:
- July 2, 2024
- Manufacturer:
- BMW
SummaryNo Bass or a cracking noise can be heard from the bass speakers.
Associated Products (10)Associated Documents - May 1, 2024•Document ID: 11000563Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B360121
- Date Added:
- May 30, 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.
Associated Products (8)Associated Documents - April 24, 2024•Document ID: 10253731Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B810424
- Date Added:
- May 3, 2024
- Manufacturer:
- BMW
SummaryCertain vehicles with a Wireless Charging Tray installed may experience operation issues with ComfortAccess or remote functions.
Associated Products (3)Associated Documents - February 16, 2024•Document ID: 10250374Service Bulletin/Repair InstructionsVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL 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 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 (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 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 (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 6, 2023•Document ID: 10248092Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B840323
- Date Added:
- January 3, 2024
- Manufacturer:
- BMW
SummaryBMW AG has issued a Delivery Stop (effective February 9, 2023) on certain Model Year 2022 âÃÂà2023 BMW vehicles that were produced between June 29, 2022 and February 16, 2023. This was originally called âÃÂÃÂWireless Charging TrayâÃÂÃÂ. Software in potentially affected vehicles may not recognize the removal of the digital key (Key Card or mobile phone) from the wireless charging tray, and thereby not meeting a federal requirement. On February 17, 2023 , the Delivery Stop was upgraded to a Non-Compliance Recall (see SI B84 01 23 ). SIB84 01 23 outlined a procedure for vehicles at that time which were- a) in BMW center inventory b) already delivered to customers This new SI B84 03 23 addresses vehicles which were in BMW center inventory or at the Vehicle Distribution Center (VDC) at that time. Those vehicles had the Key Card removed and were able to be retailed to the customer Such vehicles now need to return to the center to receive a new Key Card and updated programming. Please note that vehicles which were already in customer hands will be addressed by an update to SI B8401 23
Associated Products (8)Associated Documents