66 20 534 Removing and installing/replacing a rear left ultrasonic transducer (Park Distance Control)

Unfasten plug connection (1) and disconnect.

Unclip ultrasonic transducer (2) from retaining lugs.

Installation: 

Retaining lugs must not be damaged!

Make sure ultrasonic transducer (2) is securely seated.

Fig 1: Identifying Ultrasonic Transducer With Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Make sure rubber ring (1) is correctly seated on ultrasonic transducer (2).

Fig 2: Identifying Rubber Ring And Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.