There are 1 owner-reported body & structure complaints for the 2020 BMW X4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
-Electrical damage due to leak. Water entered through the roof shark fin antenna, leading to corrosion /severe water damage to the Telematics Communication Box Module. -Failure of BMW Emergency SOS Call System, GPS, and Microphone/ Voice for hands-free access. -Warning notification on dashboard "Emergency SOS Malfunction" -Vehicle taken to BMW certified service, told that water was coming from the roof antenna, shortening the TCB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026