66 20 520 Removing and installing/replacing a front (inner) ultrasonic sensor (Park Distance Control)

Necessary preliminary tasks: 

• Remove front bumper trim  See 5111156 REMOVING AND INSTALLING FRONT BUMPER TRIM or 5111156 REMOVING AND INSTALLING FRONT BUMPER TRIM (UP TO 09/08) .

Disconnect plug connection.

Unlock retaining tabs (1) in direction of arrow and pull ultrasonic transducer (2) out of holder (3).

Fig 1: Removing Retaining Tabs

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).

Fig 2: Identifying Hooks Of Ultrasonic Transducer With Mountings

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Fig 3: Identifying Rubber Ring On Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.