66 20 520 Removing and installing/replacing a front ultrasonic sensor (center)

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove FRONT BUMPER PANEL

NOTE: For purposes of clarity, graphic shows bumper removed.

Disconnect plug connection (1) and unclamp ultrasonic sensor (2) from retaining lugs (3).

Installation note:

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

Retaining lugs must not be damaged!

Make sure ultrasonic transducer (2) is securely seated.

Fig 1: Identifying Ultrasonic Transducer, Retaining Lugs And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Fig 2: Identifying Rubber Ring On Ultrasonic Sensor

Courtesy of BMW OF NORTH AMERICA, INC.