2021 BMW M3 owner complaints
Most named: air bags
1 of 3 complaints
Owner complaints to the US safety agency (NHTSA), 2021 models. No crashes, fires or injuries in them.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Air bags | 1 | 33% |
| Seat belts | 1 | 33% |
| Steering | 1 | 33% |
| Suspension | 1 | 33% |
| Other or not specified | 1 | 33% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Tesla Model S | 179 |
| Audi A6 Allroad | 26 |
| Audi A7 | 6 |
| Genesis G90 | 5 |
| Mercedes-Benz CLS | 1 |
| Audi S6 | 0 |
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