Electrical complaints by model year
| Year | Complaints | Share of year's complaints | Typical mileage |
|---|---|---|---|
| 2025 | 1 | 17% | — |
| 2024 | 1 | 20% | — |
| 2023 | 1 | 25% | — |
| 2022 | 1 | 17% | — |
| 2021 | 13 | 45% | 34,000 miles |
| 2020 | 20 | 38% | 34,000 miles |
| 2019 | 7 | 17% | 82,000 miles |
| 2018 | 4 | 13% | 51,000 miles |
| 2017 | 4 | 10% | 33,000 miles |
| 2006 | 34 | 16% | 82,000 miles |
| 2005 | 3 | 11% | 70,000 miles |
| 2004 | 10 | 9% | 100,000 miles |
| 2003 | 10 | 13% | 73,000 miles |
| 2002 | 7 | 16% | 65,000 miles |
| 2001 | 15 | 13% | 90,000 miles |
Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
What owners report
The contact owned a 2021 BMW 330i. The contact received notification of NHTSA Campaign Number: 26V056000 (Electrical System); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The contact stated that while driving approximately 45 MPH, there was smoke coming from under the passenger side fender. The contact entered a nearby parking lot off the highway when the vehicle caught fire. The contact was able to exit the vehicle, and someone inside a nearby building extinguished the fire with a fire extinguisher. The fire department and police department arrived. A police report was not filed. The vehicle was towed and totaled. The contact did not sustain any injuries, and no medical attention was needed. The dealer was not contacted. …
The contact owns a 2021 BMW 330I. The contact stated while driving 50 MPH and coming to a stop at a red traffic light, the contact started smelling smoke. There was no warning light illuminated. The contact turned off the vehicle, but the vehicle failed to restart with a message that the vehicle was unable to be restarted displayed. The contact turned on the hazard lights with the vehicle stopped in the middle of the road. The contact then noticed that there was smoke coming from the front end of the vehicle and immediately called 911. The contact stated that while a Metro service employee was attempting to assist the contact in towing the vehicle to the side of the road, the worker noticed that fire had started underneath the vehicle and called the Fire Department. The contact exited the vehicle and noticed that there was fire underneath the front end. …
The contact owns a 2020 BMW 330i. The contact stated that while he was sleeping, the vehicle was parked outside of the garage and had started itself without the key in the ignition then drove itself and crashed into the aluminum garage door. The contact was aware of the failure when he went inside the garage and heard the engine running but could not open the garage door. When the contact went outside, he saw that the vehicle had crashed into the garage door with the engine still running and the headlights were on. A police report was filed. The dealer was contacted but had not returned the contact's phone call. The vehicle was not diagnosed nor repaired. The manufacturer was not made aware of the failure. The failure mileage was 17,218.
The contact owns a 2020 BMW 330i. The contact stated that upon starting the vehicle, the starter made an abnormal, grinding metal-like sound. The vehicle was taken to the dealer, who diagnosed that the starter had failed. The starter was replaced under NHTSA Campaign Number: 26V056000 (Electrical System); however, the vehicle failed to start one morning post-repair. The message "Engine Cannot Start" was displayed. The vehicle was towed back to the dealer, where it was diagnosed that the starter failure had caused damage to the battery. The dealer informed the contact that the battery needed to be replaced prior to the starter replacement. Additionally, the contact was informed that the transmission harness, signal wire, and ending harness had overheated and needed to be replaced. The manufacturer was made aware of the failures, and a case was opened. …
The contact owned a 2019 BMW 330I. The contact stated that while the vehicle was parked at the residence in the driveway, there was an abnormal cracking sound coming from outside the residence. The contact checked and became aware that the vehicle was on fire. The vehicle was unoccupied at the time. The contact stated that the residential camera showed that the fire had started by the front driver's side tire. The Fire Department arrived at the residence and extinguished the fire. The residence and the vehicle were consumed by the fire. The vehicle was towed to a local tow yard. No injuries were sustained. The contact referenced an unknown recall; however, the VIN was not associated with a recall related to the failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 110,000.
The contact owned a 2019 BMW 330I. The contact stated that while the vehicle was parked on the driveway, the vehicle caught fire. The contact called the fire department, and the fire was extinguished. The vehicle was towed to an impound lot and was declared a total loss by the contact's insurance provider. The contact stated that recently he had received a recall notice from the manufacturer for NHTSA Campaign Number: 25V636000 (Electrical System). The contact related the fire to the description of the recall of the fire risk when parked. The manufacturer was informed of the failure. The failure mileage was approximately 57,000.
The contact owned a 2018 BMW 330I. The vehicle was taken to a local dealer for a Manufacturers Recall: 0017150200 related to the Coolant Leak to be completed. The contact stated that after driving 7 miles to her home at 35 MPH, there was smoke coming from the engine compartment. All the warning lights illuminated. The vehicle was powered off and the smoke extinguished on its own. A fire report was not filed. There were no visible flames. The local dealer was called and the vehicle was towed back to the dealer where it was confirmed that the pressure test was not completed and there was no coolant in the vehicle. The dealer informed the caller that the struts needed to be replaced however the coolant failure was repaired. The vehicle was repaired for the coolant failure however the contact mentioned that the vehicle was not performing as designed. …
While driving on the highway, my vehicle unexpectedly caught fire due to no fault of my own. Upon investigation, it appears the fire originated from a short in the rear window defroster wiring, which led to significant damage in the right rear C-pillar area, headliner, rear window, and rear deck. This event was not only hazardous to my physical safety but also deeply traumatic on a personal level. As someone who suffered severe burns as a child, experiencing a fire while operating a vehicle triggered a powerful emotional response. The trauma of the incident has had a profound impact on my mental health and sense of safety. I have always trusted BMW for its engineering excellence and commitment to safety, which makes this situation even more disheartening because they refuse to fix my vehicle.
Related recalls (6)
Electrical system › Starter assembly
BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles.
Remedy: Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331.
Electrical system › Starter assembly › Relay
BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
Remedy: Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026.
Electrical system › Starter assembly
BMW of North America, LLC (BMW) is recalling certain 2025 330i, 330i xDrive, 530i, 530i xDrive, 4 Series Coupe (430i, 430i xDrive), 4 Series Convertible (430i, 430i xDrive), 4 Series Gran Coupe (430i, 430i xDrive) and X3 30 xDrive vehicles. The electrical connection between the starter-generator and battery may come loose.
Remedy: Dealers will inspect and replace the starter-generator and positive battery cable as necessary, free of charge. Interim owner letters notifying owners of the safety risk were mailed May 28, 2025.
Electrical system › Software
BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles.
Remedy: Dealers will update the receiver audio module software, free of charge. Owner notification letters were mailed October 12, 2023. Owners may contact BMW customer service at 1-800-525-7417.
Electrical system › Body control module › Software
BMW of North America, LLC (BMW) is recalling certain 2023 330i, 330i xDrive, M340i, M340i xDrive, M3, 330e, 330e xDrive, 430i Convertible, 430i xDrive, M440i, 2022-2023 430i, 430i xDrive, M440i xDrive, i4 eDrive40, and i4 M50 vehicles.
Remedy: Dealers will update the ECU software, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact BMW customer service at 1-800-525-7417.
Show 1 more recall
Electrical system › Wiring
BMW of North America, LLC (BMW) is recalling certain 2006-2011 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335xi and M3, 2007-2011 328i xDrive, 335i xDrive and 335is and 2009-2011 335d vehicles.
Remedy: BMW will notify owners, and dealers will replace the wiring and electrical connectors, free of charge. Interim letters were mailed on November 27, 2017.
Frequently asked questions
Which BMW 330i years have electrical problems?
By NHTSA complaints, the 2006 (34), 2020 (20), 2001 (15), 2021 (13) and 2003 (10) model years. Electrical complaints make up 16% of all complaints for the 2006.
Is there a recall for BMW 330i electrical problems?
Yes — 6 recalls, including 26V-056 (starter assembly, Jan 30, 2026); 25V-636 (relay, Sep 23, 2025); 25V-202 (starter assembly, Apr 1, 2025). Recall repairs are free at authorized dealers; check a specific car with the VIN recall check.
At what mileage do BMW 330i electrical problems start?
Across all years, half of the complaints with a recorded mileage happened before about 76,000 miles; 24% happened before 50,000 miles.
What part fails most often?
Owners most often name the ignition (4 mentions), followed by the wiring (2).
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.