2008 BMW M3 Position: Rear;. 2009 BMW M3 Position: Rear;. Brake Pad Wear Sensor; Sensor; Sensors. Part Type: Disc Brake Pad Wear Sensor. Brake Pad Wear Sensor. Brk Pad Wear Sensor. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
