Verdict
2021 BMW 3 Series: Complaints, Recalls & Known Issues
What the public record actually says about the 2021 BMW 3 Series — every figure below is a NHTSA or EPA number, not an opinion.
The read
Middle-of-the-pack complaint volume for sedan.
Owners filed 31 NHTSA complaints — more complaints than 63% of 2021 sedans. Electrical System leads the reports (35%). No safety recalls on record.
Based on NHTSA complaint volume against 2021 sedans, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
31
Reports to NHTSA, 2021
Safety recalls
0
NHTSA campaigns on record
NHTSA crash test
Overall NCAP rating
Combined MPG
No data
EPA estimate
Complaint volume vs. segment peers
More complaints than 63% of 2021 sedans
The bar is this car's percentile among 2021 sedans by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Electrical System issues lead owner complaints (35% of 31 reports), followed by engine (16%).
+ 3 more component categories with fewer reports.
Share of all 31 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11731768, ODI 11690303, ODI 11728747, ODI 11724701, ODI 11723257.
Recalls
0 recalls — none issued for this model year as of Jul 2026. Recall records can change as NHTSA publishes new campaigns.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2021 BMW 3 Series 4 DR RWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2021 BMW 3 Series 4 DR AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
Fuel economy by trim
No EPA fuel-economy record is available for this model year. Some trims and older vehicles were not tested or are not in the current EPA feed.
Before you buy
Useful next checks
Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2021 BMW 3 Series: frequently asked
What does the complaint record show for the 2021 BMW 3 Series?
Owners filed 31 NHTSA complaints about the 2021 BMW 3 Series — more complaints than 63% of comparable 2021 sedans, so it sits toward the weaker end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2021 BMW 3 Series?
The most-reported problem areas are Electrical System (35% of complaints) and engine (16%).
How many recalls does the 2021 BMW 3 Series have?
No safety recalls are on record for the 2021 BMW 3 Series as of Jul 2026.
What gas mileage does the 2021 BMW 3 Series get?
EPA fuel-economy figures for the 2021 BMW 3 Series aren't available yet.