Necessary preliminary work:
Remove filter cover (1) in direction of arrow.
Unfasten plug connection (2) and disconnect.
Unlock retaining tab (1) and remove AUC sensor.
Installation note: Retaining tab (1) on AUC sensor (2) must not be damaged.
BMW X3 Owners Manual > High-beam Assistant: The concept
When the low beams are activated, this system
automatically switches the high beams on and
off or suppresses the light in the areas that
blind oncoming traffic. The procedure is controlled
by a camera on the front of the interior
rearview mirror. The assistant ensures that the
high beams are a ...