There are 2 stored owner reports matching the engine leading-label group for the 2021 BMW 5 Series in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)I have a 2021 BMW 530i. VIN [XXX] . I brought my vehicle to Pompano Beach BMW and Coconut Creek BMW in Florida. They said both my motor mounts have collapsed. I have discussed the matter with other experts and mechanics, and been told the failure of motor mounts is a serious safety issue and vehicle defect. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2021 BMW 530I. The contact stated that upon starting the vehicle, the vehicle hesitated. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed with motor mount failure. There was an abnormal pulling sound detected. The vehicle was not repaired. The contact spoke with two experts and was informed that the failure should not have occurred. The manufacturer was made aware of the failure. The failure mileage was approximately 60,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 30, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.