66 20 520 Removing and installing/replacing an ultrasonic transducer at front (inside) (Park Distance Control)

Necessary preliminary tasks: 

• Remove front bumper trim  . See 51 11 156 REMOVING AND INSTALLING FRONT BUMPER TRIM .

Disconnect plug connection.

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

Fig 1: Pulling Ultrasonic Transducer Out Of Holder

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Installation: 

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

Fig 2: Identifying Retaining Hooks Of Ultrasonic Transducer And Mountings

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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.