2021 BMW X3 engine problems
23 owner complaints filed with NHTSA name the engine on the 2021 BMW X3 — 22% of all complaints for this model year.
What owners report
“The engine mounts on my BMW X3 have failed. It is a known national issue with the car, it can be exacerbated by the star/stop feature. There are no warnings or recalls and the repair is several thousand dollara.”
filed Aug 4, 2026
“There is an open safety recall for the engine starter on this vehicle. I contacted the local BMW dealer on 7/10/26 to have the recall fixed they advised me that they cannot address the recall because BMW North America has not sent the parts out for them to do so. I would like this on record in case…”
filed Jul 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
B110426 · Service Bulletin/Repair Instructions · issued Jul 17, 2026The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
B010324 · Warranty Program/Extension · issued Jun 29, 2026The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
B010324 · Warranty Program/Extension · issued May 6, 2026
Engine problems in other X3 years
| Year | Reports | Share |
|---|---|---|
| 2025 X3 | 4 | 11% |
| 2024 X3 | 2 | 6% |
| 2022 X3 | 8 | 12% |
| 2020 X3 | 25 | 23% |
| 2019 X3 | 31 | 19% |
| 2018 X3 | 15 | 21% |
| 2017 X3 | 17 | 18% |
| 2016 X3 | 13 | 16% |
| 2015 X3 | 29 | 28% |
| 2014 X3 | 19 | 22% |
| 2013 X3 | 147 | 65% |
| 2012 X3 | 8 | 19% |
Other reported problem areas on the 2021 BMW X3
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.