Necessary preliminary work:
IMPORTANT: Proceed with care so as to avoid damaging the fresh air grille.
Replacement:
Unclip fresh air vent (1) from trim strip (2) in direction of arrow.
Remove center fresh-air grille (1).
BMW X3 Owners Manual > PDC Park Distance Control: Hints
Personal responsibility
Even an active system does not relieve
the driver from personal responsibility while
driving.
Technically the system has its limits, it cannot
independently react to all traffic situations.
Monitor your driving, be on the alert, observe
the vehicle surroundings and ...