Build date from 10/2003:

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove FRONT BUMPER TRIM .

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

Fig 1: Removing Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 2: Installing Ultrasonic Transducer

Courtesy of BMW OF NORTH AMERICA, INC.