2021 BMW 3 Series owner complaints
Most named: electrical system
15 of 33 complaints
- Crashes
- 1
- Fires
- 3
- Injuries
- 2
- Deaths
- 0
Owner complaints to the US safety agency (NHTSA), 2021 models.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Electrical system | 15 | 45% |
| Engine | 11 | 33% |
| Other or not specified | 5 | 15% |
| Air bags | 4 | 12% |
| Forward collision avoidance | 3 | 9% |
| Transmission and drivetrain | 3 | 9% |
Complaints by model year
Rivals, 2021
What this cannot tell you
Counts, not rates. Sales volume differs by model.
Complaints are owner reports, not confirmed defects.
Source: NHTSA complaints data (api.nhtsa.gov), public domain. Collected 2026-10-05.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ