2007 BMW 525I Electrical system Problems

“Bought the car in aug started using the seat warmer about december of 2014. Here and there upon using I'd smell something burning so I would turn it off! But not all the time when using the warmer did I smell burning! Late march my husband noticed a burn hole on my driers seat, I instantly remembered the burning smell when sometimes using the seat heater! I'm lucky I was not burned but my driver seat is ruined and I'm now afraid to use the heaters, ever!”

“When I realized a lightbulb in my headlights went out I bought the bulb online ready to replace it. I realized when replacing that the wires connecting to the headlights are completely flaked off. So I wanted money on a new bulb because it won't light up regardless. Now this not only causes the bulb to not work but it messes with the lights in the whole side of the headlight. My entire left headlight tweaks. Sometimes jus one parking light is out, then it's the high beam that doesn't work, then it's the low beam. …”

“Went to replace my front headlamp bulbs after headlamp failure while operating my vehicle at night, on a winding road, in rural texas. Mechanic pulled the sealed housing, and discovered that the majority of the wires in the headlamp assembly had faulty insulation. The insulation had flaked off to the point that many of the wires were exposed, causing a short circuit, and failure of the headlamp. Researched the issue on many forums, and it is a common occurrrence. Replacement costs of each headlamp assembly is approx $1500. …”

“I was driving through a canyon area, and water spilled out of my ice chest into the trunk bay, where the spare tire is stored. Apparently the entire cars computer and wiring is underneath the spare tire. The water fried my tire pressure monitor module, which caused the computer to restart. When it restarted, the car showed a car computer failure. The car has safety features such as stability control, and many other safety modules connected to the computer. …”

“We would like the NHTSA to be aware that myself and a few colleagues own Bmw and have experienced this issue. Bmw has purposely built these vehicles to fail after the warranty period when a few months after the 100,000 mile warranty we began having problems specifically with the seals around all all windows including windshield and rear window as well as the seals around the trunk, however at the bottom of the trunk Bmw keeps a main component board underneath the spare tire , once the seals begin to fail it causes water and moisture to gain access to this compartment and cause the board to…”