66 20 540 Removing and installing/replacing a rear ultrasonic transducer (Park Distance Control)
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.
CAUTION:
Allow exhaust system to cool down.
In bumper, center:
Open cover (1).
Disconnect plug.
Unclip ultrasonic transducer (2) from inside and remove.
In bumper, side:
Disconnect plug.
Unclip ultrasonic transducer (2) from inside and remove.