Table 1 shows two common electrical system related problems of the 2007 BMW Z4. The number one most common problem is related to the electrical system (three problems). The second most common problem is related to the underhood wiring (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Underhood Wiring problems |
Low battery situation over the winter caused the vehicle to slip into "transport mode" where the ac, defroster, and fan speed will not work. This creates a hazardous visibility situation due to the defroster not working. Read details...
The wiring harness under the dash spontaneously ignited while I was driving. The fire was put out with a fire extinguisher, but re-ignited two more times. It didn't stop re-igniting until the battery wires were disconnected from the battery terminals. Police and the fire dept were called. Read details...