66 20 538 Removing and installing/replacing a rear (middle) ultrasonic transducer (Park Distance Control)
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect plug connection (1).
Unlock retaining tabs (2) and pull ultrasonic transducer (3) out of holder.
Installation:
Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).
Installation:
Make sure rubber ring (1) is correctly seated on ultrasonic transducer (2).