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Service bulletins for the 2018 BMW X3

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.

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

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
B2604222023-03-20. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature.
B2701222022-02-22. Service bulletin. ENGINE; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). DELIVERY STOP: REPLACE CONTROL UNIT TRANSFER CASE. Due to a production failure, the control unit was assembled with a capcitator instead of a resistor.
B3405172020-04-20. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC; WHEELS; POWER TRAIN. TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: This Service Information Bulletin (Revision 3) replaces SI B34 05 17 dated September 2017. Ticking noise coming from front wheel while cornering without brakes applied noticeable at low speeds. The vehicle must be moving. See attached video V34 01 20 Note: For a similar noise heard when parking with the brakes applied refer to SIB 31 01 12. Microscopic movement of the contact interface between the inner brake disc and the wheel bearing flange on vehicles equipped with lightweight brake discs.
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.
B3102182018-05-21. Service bulletin. STEERING; POWER TRAIN:AXLE ASSEMBLY. RATTLING NOISES FROM THE FRONT AXLE: Rattling noises from the front axle near the steering gear when driven over uneven/rough road surfaces

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