BMW 1 Series E81/E82/E87 Park Distance Controller 66216982403 Reverse Radar

BMW 1 Series E81/E82/E87 Parking Distance Controller by KLP (OEM 66216982403) dedicated to rear parking sensor system. Housing uses high-density engineering plastic; internal circuit board has moisture-resistant coating for stable operation in damp environments. Responsible for transmitting/receiving ultrasonic signals, accurately detecting distance to rear obstacles and feeding the beacon. Install requires removing the rear bumper inner lining; plug-and-play connection is possible, but it is recommended that a professional familiar with BMW circuits perform the work to avoid affecting other sensors.