Verdict
2018 BMW 3 Series: Complaints, Recalls & Known Issues
What the public record actually says about the 2018 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 58 NHTSA complaints — more complaints than 59% of 2018 sedans. Engine leads the reports (21%). No safety recalls on record.
Based on NHTSA complaint volume against 2018 sedans, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
58
Reports to NHTSA, 2018
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 59% of 2018 sedans
The bar is this car's percentile among 2018 sedans by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Engine issues lead owner complaints (21% of 58 reports), followed by electrical system (16%).
+ 7 more component categories with fewer reports.
Share of all 58 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11497221, ODI 11399787, ODI 11660219, ODI 11648186, ODI 11646108.
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
2018 BMW 3 Series 4 DR RWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2018 BMW 3 Series 4 DR AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2018 BMW 3 Series SW 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.
2018 BMW 3 Series: frequently asked
What does the complaint record show for the 2018 BMW 3 Series?
Owners filed 58 NHTSA complaints about the 2018 BMW 3 Series — more complaints than 59% of comparable 2018 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 2018 BMW 3 Series?
The most-reported problem areas are Engine (21% of complaints) and electrical system (16%).
How many recalls does the 2018 BMW 3 Series have?
No safety recalls are on record for the 2018 BMW 3 Series as of Jul 2026.
What gas mileage does the 2018 BMW 3 Series get?
EPA fuel-economy figures for the 2018 BMW 3 Series aren't available yet.