Posted on 9/26/2025
BMWs are known for their performance, technology, and driving experience. But as these vehicles rack up miles, electrical issues can start to appear. Many of these problems are not due to poor design but rather the aging of components, exposure to heat and moisture, and the complexity of modern electrical systems. If your BMW has over 100,000 miles, it’s a good idea to pay closer attention to how the electronics are behaving. Here are five common problems to watch for. 1. Failing Window Regulators and Door Wiring One of the first electrical problems that often shows up is a window that no longer rolls up or down. In many BMW models, the window regulators wear out or the cables inside them snap. In some cases, the window motor may still work, but the regulator has failed, making it seem like a total loss of function. Door wiring is another related issue. Wires running from the car body to the door flex every time the door opens and closes. After many years of u ... read more