BMW M3 SEDAN Owner's Manual page 38

CONTROLS
▷ With objects with corners, edges, and
smooth surfaces.
▷ With objects with a fine surface structure
such as fences.
▷ For objects with porous surfaces.
▷ With small and low objects, for instance
boxes.
▷ With soft obstacles or obstacles covered in
foam material.
▷ With plants and bushes.
▷ In automatic car washes.
▷ On uneven surfaces, such as speed bumps.
▷ Due to heavy exhaust.
▷ Cargo that extends beyond the perimeter of
the vehicle is not taken into account by the
ultrasonic sensors.
If applicable, a Check Control message is dis‐
played if the system fails.
38
Sensors of the vehicle
Online Edition for Part no. 01405A1E4B0 - X/20