Home · 2021 BMW 5 Series Hybrid Sedan Phev · Complaints

What 26 owners told NHTSA about the 2021 BMW 5 Series Hybrid Sedan Phev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (26)Crash / fire / injury (3)Electrical system (7)Brakes (4)Engine (3)Fuel system (3)Airbags (2)Backup camera & sensors (2)Seat belts (2)Transmission & drivetrain (2)Driver assistance (1)Seats (1)

3 of 26 complaints match · Fuel system · clear filters

Jan 16, 2025Fuel system

Subject: Urgent Issue with EVAP System Failure Dear Safety Highway Control, I discovered that the EVAP system in my car has failed, confirmed by a computer diagnostic at the Body Shop. The dealer mentioned no recalls, so I contacted the recall department who advised me to contact you. The check engine light has been on, prompting this urgent report. Your prompt investigation is greatly appreciated. Sincerely, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11636314

Nov 26, 2024Fuel system

I went to hospital several times - the car had defect of manufacture- gas fume released inside the car every time i drove the car I had nausea, drowsiness, vomiting because the car at the beginning was new I never assume the car was causing me illness which had a tremendously impact in to my health. I had to buy new cloth, new mattress and changed the carpet. My health was also impacted - I was diagnosed with granulomas on my lungs. the fume is clear, the cloth will smell gas, and particles of gasoline hazard will attached to the skin giving an allergic sensation. This almost killed and I was not aware that the car was causing this impact on my daily life.

NHTSA ODI 11627560

Jul 9, 2024Electrical systemFuel systemFire

My family was driving home on California [XXX] approaching [XXX]. Suddenly we saw heavy white smoke coming from our vehicle. Vehicles behind us had to almost stop as the smoke was very thick and covered all lanes. We pulled over and turned off the car. I started checking the control panel for any issues or alerts and found none. We never received any indication of issues in the control panel or dashboard. My husband got out of the car and inspected the tires which were all ok. He opened the hood and immediately saw flames from the center bottom of the hood. We all got out of the vehicle immediately and called 911. California Highway Patrol arrived and soon after Cal Fire arrived. Within 10 minutes my car was engulfed in flames and only the trunk area was sparred. I believe this was a malfunction or defect in the battery or electrical as we did not get any warning of engine issues or overheating. There have been several recalls on this model for battery defects which can lead to fire. My family's safety was put at risk as these batteries are highly combustible and could have exploded with us in the car. We had no warning whatsoever to immediately get out of the car and we were sitting there for at least 5-8 minutes trying to figure out what the issue was and who to call. I don't know at what point the car locked itself as the firemen had to use the jaws of life to open a door for the VIN. What if the car would have locked when we were still inside. I filed a claim with my insurance and they are deeming it a total loss based on the photos. I contacted the BMW service center and they said they can't do anything and I have to go through the insurance to have the car inspected. I asked if BMW will be sending someone to determine the cause and the rep said no. I sense that BMW does not want to do a thorough inspection of what caused the fire as the vehicle is still under manufacturer warranty and they would have to replace the vehicle. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11600531

Working with the data? Download all 26 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 BMW 5 Series Hybrid Sedan Phev verdict →