Removing and installing/replacing a rear center ultrasonic transducer

Necessary preliminary tasks: 

• Remove REAR BUMPER TRIM .

Unlock retaining tabs (1) in direction of arrow and pull ultrasound transducer (2) upward out of bracket (3).

Installation note: 

Before installation of ultrasonic sensor (2) on wiring harness, clean plug connection!

Retaining tabs (2) must not be damaged!

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Installation note: 

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

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

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

Courtesy of BMW OF NORTH AMERICA, INC.