Table 1 shows four common electrical system related problems of the 2002 BMW 3 Series. The number one most common problem is related to the electrical system (three problems). The second most common problem is related to the mass air flow sensor (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Mass Air Flow Sensor problems | |
| Car Will Not Start problems | |
| Wiring problems |
I opened the passenger door in the morning after the car had been parked overnight. I had a hockey bag with approximately 25 lbs of equipment sitting on the passenger seat which I removed from the car and closed the door. Read details...
This is not as much a complaint as a request for help. Since March of 2013 I have replaced 5 throttle bodies and 3 gas pedal sensors, all oem parts. The problem that happened again today: driving at normal highway speed [55/60] the eml, traction control and brake warning lights all went on. Read details...
The red positive wire terminal overheated and potential fire hazard. The problem would kill the battery and car would not start. Shop said due to the location (the trunk) of the battery their was not enough ground. The shop fixed the problem by grounding the engine. Read details...