66 20 534 Removing and installing/replacing a rear left ultrasonic sensor (N47)

WARNING: Risk of burning!
Work on the exhaust system may only be carried out when it has cooled down!

Release screws (1).

Unscrew nuts (2).

Remove cover (3).

Fig 1: Identifying Screws, Nuts And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Ultrasonic transducers (3) can be reached from below with bumper installed.

Unlock plug connection (1) and disconnect.

Unlock latch mechanisms (2) and pull ultrasonic transducer (3) out of bracket.

Installation note:

Before installation of ultrasonic sensor (3) on wiring harness, clean plug connection!

Retaining tabs (2) must not be damaged!

Make sure ultrasonic sensor is securely seated.

Fig 2: Identifying Plug Connection And Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Fig 3: Identifying Rubber Ring And Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.