Table 1 shows two common electrical system related problems of the 2004 BMW 7 Series. The number one most common problem is related to the electrical system (two problems). The second most common problem is related to the horn assembly (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Horn Assembly problems |
The rear side door unexpectedly open while driving, a week later the other side did the same thing the for open then it closed by its self. I was driving straight on a highwsy. Read details...
The horn did not work. After complaining to the dealer for more than 5 months. The manufacturer was contacted and they told him that the horn only worked in certain places because of the air bag. The manufacturer was contacted about the horn problem. Read details...