66 20 536 Removing and installing/replacing a rear middle left ultrasonic transducer

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Necessary preliminary tasks:

Remove REAR BUMPER PANEL

Unlock plug connection (1) and disconnect.

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

Fig 1: Identifying Latch Mechanisms, Ultrasonic Transducer And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Installation note:

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

Fig 2: Identifying Rubber Ring Seated On Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.