Possible causes of electrical faults
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.
- Water in the connector (corroded contacts) -> exchange the sensor and connector. Sensor signal is corrupted by voltage drop. Gradual process
- Short circuit (detected by control unit and output as fault message)