Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2002 BMW 325i owners, lightly cleaned up (personal details are redacted by NHTSA).
On Tuesday June 20, 2023 at 7:20am I was awakened by my neighbor who informed me that my car was on fire. A report was done by the fire department and they did not believe it was done on purpose but something with my car. My car was totally consumed with fire nothing but ashes.
On Wednesday, seotember 26 2018 - my car had been parked outside since Friday, sept 21. It had rained a great deal that weekend. At 1:00 in the afternoon, I went to get in the car and the windows were black from the inside. I had been smelling a strange electircal bruning smell all day. I did not open the door. I called the fire department.they arrived and investigated. The inside of the car on the drivers side dash was completely melted and the dash was still on fire inside. The pillar airbag had exploded and melted and had spewed plastic on the front seats. The upper driver side corner area of the windsheild was broken from the inside as though something had cataplulted into it from below. The pillar bag inflator was found on the floor of the car and was burnt in the bottom. The driver door panel had deployed. The car was a total loss
Tl* the contact owns a 2002 BMW 325i. The contact was driving 40 MPH when smoke was seen coming from under the instrument panel. The vehicle was merged to the shoulder where the small fire was extinguished. The fire department was not notified. The vehicle was then towed to a local mechanic who inspected the failure and advised the contact that the main wiring harness plug showed evidence of an electrical short, melting the batch of wires that connected the port to the main wiring harness under the hood. The contact's insurance company was notified of the failure who referred the contact to a local mechanic. The manufacturer was notified of the failure and advised the contact that there were no recalls for the failure and offered no further assistance. The vehicle was not repaired. The failure mileage was 48,000.
Car was driven approximately 50 miles and parked in a restaurant parking lot. Weather was wet and rainy, the defroster was running on the car for most of the trip. After sitting 25-30 minutes a resident near the restaurant called to notify that the car was on fire. Employees of the restaurant attempted to put out the fire with hand held extinguisher but was unable to completely do so. Emergency personnel showed up on the scene a short time later to unpower the car and put out the flame. Police and fire teams were on the scene. The fire seems to have originated from the auxiliary A/C fan in front of the condenser as that is where the heaviest damage is.
Tl* the contact owns a 2002 BMW 325i. The contact stated that the wiring harness in the blower motor experienced a failure for the third time after being repaired. There were no warning indicators illuminated at the time of the failure. The vehicle was taken to peter pan BMW (1625 adrian rd, burlingame, ca 94010 [phone]) where it was diagnosed that the wiring harness in the blower motor needed replacement. The vehicle was repaired, but the failure recurred. The vehicle was repaired independently. The manufacturer was not contacted. The failure mileage was 141,000.
Tl* the contact owns a 2002 BMW 325i. When the brake pedal was engaged at any speed, the exterior lighting failed. The failure recurred numerous times. The contact mentioned that the message board displayed "exterior lighting for the rear right side". The dealer and manufacturer were notified of the failure. The VIN was not included in NHTSA campaign number: 11V438000 (exterior lighting). The vehicle was not diagnosed nor repaired. The vehicle was not repaired. The approximate failure mileage was 55,000.
Tl* the contact owns a 2002 BMW 325i. While driving various speeds, the vehicle suddenly shut off. After restarting the engine, the vehicle operated normally. The vehicle was taken to an unknown dealer and an independent mechanic, but the cause of the failure could not be determined. The manufacturer was notified of the failure. The failure mileage was 120,000.
Recall summary BMW is recalling certain model year 2002-2005 325i, 325xi, 330i, and 330xi vehicles manufactured from September 1, 2001, through March 1, 2005. Over time, resistance in the electrical contacts May cause one or more rear lamp functions (tail light, brake light, and/or turn-signal), within the vehicle's body panel, to stop working. Consequence intermittent light operation reduces the ability to warn other motorists of the driver's intentions. This could cause a vehicle crash without warning. Remedy BMW will notify owners, and dealers will repair the vehicles free of charge. The safety recall is expected to begin during October 2011. Owners May contact BMW customer relations and services at [phone]. Notes BMW of north America, llc read more: http://www.internetautoguide.com/10-12-2002-12-107/2002-BMW-3-series-recalls.html#ixzz1fhegyufc.
The left blinker started malfunctioning and, as a result, rear taillight bulb outage appeared on dashboard all other lights were OK. BMW dealership mechanic diagnosed tail light ground wiring issue: inspection revealed that wires were melted inside rear tail light housing and could cause fire. Recommended replacing both tail light components by adding an additional ground, carrier replacements for bulbs. Replacement supplies on work order included sockets, insulation housing, connectors, shrinking hose. After research on consumer websites, I found out many complaints about the same issue. My BMW 325i is only 9 years old (2002) with only 30,250 miles on it. This kind of fundamental flaw should be corrected at BMW's expense, not ours. BMW needs to have a recall on this common and potential deadly issue.
Tl* the contact owns a 2002 BMW 325i. The contact stated that the windows could not be opened or closed. In addition, the windows would exhibit an abnormal crunching sound constantly. The vehicle was taken to the dealer. The dealer was not notified of the failure. The manufacturer was not notified of the failure. The failure mileage was 40,000 and the current mileage was 51,000. ..updated 11/28/12 the consumer stated he had a problem with all the windows, getting jammed, or becoming stuck in the up or down position. All of the regulators were replaced. Also, there was a problem with the lock system not working. Sometimes, the button and switches would not work. Updated 11/29/30
Electrical complaints in other 325i years
Frequently asked questions
How common are electrical problems on the 2002 BMW 325i?
NHTSA has 21 complaints about the electrical system of the 2002 BMW 325i, 13% of the model year's 162 complaints. The component named most often is ignition › anti-theft › control module (1 mentions).
Is there a recall for 2002 BMW 325i electrical problems?
No. NHTSA lists no electrical system recall for the 2002 BMW 325i, though it has 6 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2002 BMW 325i electrical problems start?
Half of the complaints with a recorded mileage happened before about 94,000 miles, and 6% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 4 fires and 0 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
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.