Table 1 shows one common structure related problems of the 2001 BMW 525.
| Problem Category | Number of Problems |
|---|---|
| Structure problems |
Power brake servo failure due to water accumulation. Driving the car and attempted to stop when there was suddenly no power brakes. Dealer indicated that it was caused by a bad vacuum line. When replacing the vacuum hose, I found the brakes booster (servo) submerged in 6 inches of water. After draining the water and disconnecting the vacuum hose a large amount of water drained from inside the power booster/servo. Car ran fine after repair. 1 week later, on 1/16/12 during sub-freezing temps, there ws no brake pedal function at all. Extensive web search found several threads devoted to the problem. . Read more...