66 20 515 Removing and installing/replacing a front left ultrasonic transducer

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

Release the expanding rivet at marked points.

Fold wheel arch panel (1) to one side.

Fig 1: Locating Wheel Arch Panel

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Unclip ultrasonic transducer from retaining tabs (2).

Fig 2: Identifying Plug Connection With Tabs

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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).

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

Fig 3: Identifying Rubber Ring And Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.