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Service bulletins for the 2019 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.

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

By type

By component

Bulletins, newest first
B6123152019-12-16. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD WIPER/WASHER. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full : The low washer fluid warning is illuminated even though the washer fluid reservoir is full. There are no faults stored in the system for the washer fluid level switch. A non-approved washer fluid was used that is silicone-based. Silicone-based fluids are not compatible with the contactless capacitive level sensor. Fluids that contain a silicone additive are normally colored other than blue.
B6621192019-11-18. Service bulletin. STEERING. LDW (LANE DEPARTURE WARNING): STEERING WHEEL VIBRATION NOT STRONG. LDW steering wheel vibration is perceived as being not strong enough, even with the strongest setting selected via the iDrive menu. Software in the vibration actuator and /or steering wheel component.
B6617192019-11-18. Service bulletin. SERVICE BRAKES, HYDRAULIC. ACTIVE PARK DISTANCE CONTROL (PDC): UNDESIRED BRAKING. This Service Information Bulletin (Revision 1) replaces SI B66 17 19 dated August 2019. What's New: Procedure - changed ISTA version. The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This applies only to the situation where the Active PDC option is activated via the iDrive.
B6117192019-11-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). SERVICE ACTION: REPLACE THE GEAR SELECTOR SWITCH (GWS). The functional lighting and/or locator lighting on the shifter selector lever (aka gear selector switch GWS) may flicker over time, or intermittently not illuminate. The GWS may not have been produced to specifications.
B6514192019-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT: The CID screen may light up blue. When this occurs A battery reset is not successful in restoring head unit operation Software error in the Bootloader file (BTLD) of the head unit.
B6115192019-10-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE. JUNCTION BOX REAR FAULT STORED IN BODY DOMAIN CONTROLLER: Fault code 804075 "JBR_LIN: relay 30F1-status contradiction" is stored in the Body Domain Controller (BDC). The fault entry has no effect is not noticeable in the customer perception nor in function impairments. Software error in the Junction Box Rear (JBR_LIN).
B6112192019-10-21. Service bulletin. ELECTRICAL SYSTEM. DELIVERY STOP: REPLACE THE GEAR SELECTOR SWITCH: The functional lighting and/or locator lighting on the Shifter selector lever (GWS) may flicker over time or intermittently not illuminate. The GEAR SELECTOR SWITCH may not have been produced to specifications.
B5411192019-10-21. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. SUNROOF WATER LEAK DIAGNOSIS: This bulletin outlines multiple known areas of possible water entry for the vehicles listed above. It serves only as a diagnostic resource in troubleshooting water leak complaints from the roof area.
B7204172019-10-21. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES. FALSE WARNINGS THAT THE FRONT PASSENGER SEAT IS OCCUPIED WITHOUT THE SEAT BELT BUCKLED: Acoustic and visual warnings indicate that the front passenger seat is occupied and the safety belt is not fastened when the seat is actually unoccupied.
B6623192019-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. DRIVERS ASSISTANCE SYSTEM: CHECK CONTROL MESSAGE IS DISPLAYED. The Driver Assistance System limited warning message is displayed.
B5121192019-10-21. Service bulletin. EQUIPMENT. ACTIVE AIR FLAP FAULT DIAGNOSIS AND REPAIR: This correction is to be used for all situations where the following fault codes are stored: 138402 279B00 138220 13820D 13820E.
B3105142019-10-21. Service bulletin. SUSPENSION. Front Suspension Ride Height Has Dropped: The front suspension ride height has dropped on one or both sides due to overload. This is caused by driving over obstacles (e.g. potholes) or an impact severe enough for the front spring strut damper to slip through the clamp of the steering knuckle.
B5121192019-09-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. ACTIVE AIR FLAP FAULT DIAGNOSIS AND REPAIR. This Service Information Bulletin (Revision 2) replaces SI B51 21 19 dated August 2019. A check control message or MIL (Malfunction Indicator Lamp) may be illuminated with faults stored related to the upper and/or lower active air flap(s).
B6617192019-09-23. Service bulletin. BACK OVER PREVENTION: AUTOMATIC SYSTEM BRAKING; SERVICE BRAKES, HYDRAULIC. ACTIVE PARK DISTANCE CONTROL (PDC): UNDESIRED BRAKING. The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This applies only to the situation where the Active PDC option is activated via the iDrive. Software of the ultrasonic sensors and PDC control unit.
B6515192019-09-23. Service bulletin. EQUIPMENT. SECURITY IMPROVEMENTS FOR CONNECTEDDRIVE. Security patches for non-safety critical vulnerabilities in BMW head units Entry Nav Entry Media NBT and NBT EVO.
B6112192019-09-23. Service bulletin. EQUIPMENT. DELIVERY STOP: GEAR SELECTOR SWITCH.
B6617192019-09-23. Service bulletin. SERVICE BRAKES, HYDRAULIC. ACTIVE PARK DISTANCE CONTROL (PDC): UNDESIRED BRAKING. The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This applies only to the situation where the Active PDC option is activated via the iDrive. Software of the ultrasonic sensors and PDC control unit.
B6619192019-07-22. Service bulletin. ELECTRICAL SYSTEM. COMFORT ACCESS AND COMFORT GO NOT POSSIBLE. Vehicle cannot be opened/locked or started via Comfort Access. Electrostatic charge puts the remote control key into a deep sleep.
B6514192019-07-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT. During programming several aborts can occur in the head unit NBT EVO (HU-H2).
B6207192019-07-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. DIGITAL SPEEDOMETER MISSING FROM THE INSTRUMENT CLUSTER AFTER PROGRAMMING. The digital speed display from the left side of the gauges is missing in the Instrument Cluster (KOMBI) after ISTA 4.14.1x programming.
B3206192019-07-22. Service bulletin. ELECTRICAL SYSTEM. VARIOUS CHECK CONTROL MESSAGES FOR DRIVER ASSISTANCE SYSTEMS.
B1101192019-07-22. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. ENGINE VIBRATIONS OR NOISE This Service Information bulletin replaces SI B11 01 19 dated February 2019.
B8407192019-06-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. BLUETOOTH CONNECTION IS LOST DURING A PHONE CALL. During an active call the call audio autonomously switches from the vehicle hands-free system to the phone.
B8403112019-06-24. Service bulletin. EQUIPMENT. TELEMATICS CONTROL UNIT ACTIVATION VIA DCSNET FOR BMW ASSIST.
B8402142019-06-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFORMATION New information provided by this revision is preceded by this symbol. This Service Information bulletin replaces SI B84 02 14 dated September 2018.

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