Problems · NHTSA complaints
2025 BMW 4 Series problems
Owners filed 7 complaints about the 2025 BMW 4 Series with NHTSA between Jul 2025 and Jun 2026. The most-cited component is electrical system (3).
Complaints
7
Filed with NHTSA
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Electrical system3
- Power train3
- Engine2
- Service brakes2
- Seats1
- Forward collision avoidance1
- Steering1
- Other / unknown2
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 7, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
3
4
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2025 | 3 |
| 2026 | 4 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Electrical system
3 reports1 crash1 related recall
“While driving at highway speed on [XXX] I went to put my windows up. Without touching anything else my seat moved backward and I was unable to reach either pedal. Fortunately I was able to maneuver to a point where I was able to regain vehicle control. Obviously this was a life threatening situation which could have been disastrous. There was no auto correction by the vehicle. This was reported to BMW of Barrington , IL and serviced on XXX. No specific explanation has been provided. This is just one of many issues with this vehicle that appear to be related, and escalating in severity. I can't determine how they are related, if at all. I don't trust the safety of this vehicle and am not convinced BMW to date has performed a complete root cause analyses from the date the vehicle was put in service. I have requested BMW replace this vehicle.”
Power train
3 reports
“This is the third Check Engine, Drive train malfunction, Power Supply error messages popped up. Dealership replaced the battery at the first visit, replaced the starter at the second visit. Error messages appeared one week after the second visit to the dealership.”
Engine
2 reports
“1 week after the BMW dealer replaced the battery under the warranty (after the car was towed due to the power loss from drive train malfunction) Engine Check, Drive train malfunction, and Oil level measurement inactive signals popped up again.”
Service brakes
2 reports2 crashes
“We were driving on a local road and saw the car ahead parked at the traffic light. We began to brake from a safe distance. The car began slowing but instead of coming to a full stop, the brake resisted, the car made an odd sound, and instead the car accelerated into the car in front of us. The Tesla in front captured the odd behavior of the vehicle on camera. BMW will perform diagnostics.”
Seats
1 report
Forward collision avoidance
1 report1 crash
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.