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Service bulletins for the 2021 BMW X4

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.

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

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
B3101212021-04-26. Service bulletin. EQUIPMENT. FRONT AXLE SUPPORT WEDGE: Due to a parts list error in production, the vehicle was not built according to specification.
B6501212021-03-15. Service bulletin. EQUIPMENT. SPORADIC FAILURE OR CRACKING NOISE IN BASS SPEAKERS: No Bass or a cracking noise can be heard from the bass speakers.
B5105212021-03-15. Service bulletin. EQUIPMENT. GLOVE BOX COVER: BMW AG has issued a Delivery Stop on a small number of Model Year 2021 BMW X3 SAV and X4 SAC vehicles that were produced on February 3, 2021.
B6307202021-02-22. Service bulletin. EQUIPMENT; INTERIOR LIGHTING; STRUCTURE:BODY:DOOR. FRONY DOOR PANEL LED FAILURES: The LED light on the front door is not working. Due to the orientation of the LED module, moisture may enter the LED module, causing corrosion.
B6520202021-02-08. Service bulletin. EQUIPMENT. ?PROGRAM HEAD UNIT: Satellite radio content is not available over IP, this does not affect channels received over satellite.
B6618202021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?GESTURE CONTROL UNINTENDED OPERATION: The Gesture camera inadvertently detects movement and performs unintended operations.
B6520202021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. ?PROGRAM HEAD UNIT: Satellite radio content is not available over IP, this does not affect channels received over satellite.
B6208182021-02-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. ?INSTRUMENT CLUSTER DISPLAY SHAKES-SHIFTS TO THE LEFT: The Instrument cluster intermittently flickers, shakes and has shifted to the left. The fault is resolved once the vehicle goes into sleep mode. The fault can reoccur at any point.
B6203202021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) IS ILLUMINATED WITH FAULT MEMORY CDC152: The malfunction indicator lamp (MIL) is illuminated in the instrument cluster. The vehicles has no operating failures; only the MIL is illuminated.
B6125202021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. REMOTE CONTROL KEY OR BMW DISPLAY KEY BUTTONS NOT WORKING: The buttons on the remote-control key or BMW display key are not working, not allowing to unlock the vehicle and the tailgate or trunk compartment. Also, the buttons on a spare key do not work either.
B5403202021-02-01. Service bulletin. EQUIPMENT; VISIBILITY. SUNROOF NOT INITIALIZED: The sunroof will not operate and has the following fault codes stored: 030215 - SHD: invalid characteristic curve, no standardization exists and 030220 - SHD: System not standardized and 030295 - invalid characteristic curve, no standardization exists and 0302A0 - Service history: System not standardized. During operation, the sunroof may have lost initialization due to extended activation of the switch.
B6629192020-12-21. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM; EQUIPMENT. TOP VIEW CAMERA: The top view image of the vehicle is misaligned when observed in the Control Information Display (CID). When the vehicle is parked in a parking spot with line markings, it is clearly noticed in the CID that the lines are not parallel to the side of the vehicle. This may be noticed on either the driver side, passenger side or both.
B6509192020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. HEAD UNIT RESETS WITH FAULT CODE B7F8F9 RESET WATCHDOG: Customer states the following about their vehicle: Active radio or music source is interrupted. The navigation is no longer available. A black screen is shown in the Control Display.
B6123152020-12-21. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch.
B1104202020-12-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. CONNECTING ROD BEARING: BMW AG has issued a Delivery Stop (effective November 20, 2020) on a small number of Model Year 2020-2021 BMW vehicles that were produced between May 15, 2019 and October 23, 2020.
B3205202020-11-16. Service bulletin. EQUIPMENT; STEERING. INCREASED STEERING EFFORT WITH CHECK CONTROL MESSAGE (CCM): During multiple vehicle steering maneuvering or extended time at steering end stops (i.e. "full lock"), the check control message (CCM) "Increased steering effort, drive moderately" (CCM ID 997) may appear.

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