BMW M3 owners have reported 37 electrical system related problems since 1996. Table 1 shows the 10 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (24 problems). The second most common problem is related to the vehicle's battery cable (3 problems). For details of each of the problem category, use the links in the table.
While driving, suddenly, with no warning smoke came from under the hood. I got off the road and turned off car immediately. Luckily, since I did turn off the car so quickly, it did not burst into flames but did create a fire within the engine. Read details...
Vehicle is a 2017 BMW M3 with 6352 miles. In this particular case the vehicle had started and had been operating normally the day prior. The following day the car was stationary and would not start. It was clear there was no power getting to the electronics even though the battery was fully charged. Read details...
The oem wiring insulation in the headlight housing has flaked off. The bare wires caused an electrical short when I replaced a light bulb. BMW says that the only repair is to replace the entire housing for $2100. Read details...
There is a burning smell when I run my a/c. I took it to mechanic and they stated it's an issue with the blower motor wiring, which is covered under recall. But I checked the recall notice and it only covers my vehicle up to 2011, but mine is a 2013. Read details...
Horn stopped working on 3 different occasions. Dealer attempted to remed problem. But, after 3 months horn would go out again. Last time dealer replaced the contact points. Also, half of the spoiler came off, bolts had fallen apart without warning, causing spoiler to fall off immediately while Read details...