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Engine & cooling

2021 BMW 5 Series Engine problems

Owners have filed 3 complaints about the 2021 BMW 5 Series's engine & cooling with NHTSA - 11% of all its complaints, most recently on July 10, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
3
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine complaints

Transmission & drivetrainElectrical systemEngine & cooling

Starter engine failure. Car failed to start multiple times. Major safety hazard that can cause a short circuit, melt wiring harnesses, and spark an engine bay fire posing an immediate threat to life. Problem was inspected and confirmed by a dealer. Multiple waring lamps and messages appeared. Dealer report stated: STARTER MOTOR FAULTY. ENGINE ELECTRICAL SYSTEM CONCERN: C/S: REPEAT START ATTEMPT INTERMITTEN WARNING LIGHTS. Please issue recall for the safety of all drivers.

Filed Incident Power train · Electrical system · EngineNHTSA 11749530
Engine & cooling

I have a 2021 BMW 530i. VIN [[redacted]] . I brought my vehicle to Pompano Beach BMW and Coconut Creek BMW in Florida. They said both my motor mounts have collapsed. I have discussed the matter with other experts and mechanics, and been told the failure of motor mounts is a serious safety issue and vehicle defect. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Incident EngineNHTSA 11726067
Engine & cooling

The contact owns a 2021 BMW 530I. The contact stated that upon starting the vehicle, the vehicle hesitated. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed with motor mount failure. There was an abnormal pulling sound detected. The vehicle was not repaired. The contact spoke with two experts and was informed that the failure should not have occurred. The manufacturer was made aware of the failure. The failure mileage was approximately 60,000.

Filed Incident EngineNHTSA 11667076

BMW 5 Series engine complaints by year

5 Series engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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