66 20 521 Removing and installing/replacing a front center ultrasonic sensor

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.

Necessary preliminary tasks:

Remove MIDDLE LEFT OR RIGHT RADIATOR GRILLE

Release retaining tabs (2).

Press ultrasonic sensor from outside towards inside and remove.

Unfasten plug connection (2) and disconnect.

Fig 1: Identifying Plug Connection With Tabs

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Retaining tabs (2) must not be damaged!

Make sure ultrasonic sensor is securely seated.

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

Fig 2: Identifying Rubber Ring And Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.