66 20 520 Removing and installing/replacing a front (inner) ultrasonic sensor (Park Distance Control)

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front bumper trim See 5111156 REMOVING AND INSTALLING FRONT BUMPER TRIM or 5111156 REMOVING AND INSTALLING FRONT BUMPER TRIM (UP TO 09/08) .

Disconnect plug connection.

Unlock retaining tabs (1) in direction of arrow and pull ultrasonic transducer (2) out of holder (3).

Fig 1: Removing Retaining Tabs

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).

Fig 2: Identifying Hooks Of Ultrasonic Transducer With Mountings

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 3: Identifying Rubber Ring On Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.