Measurement

Measurements are made by ultrasound sensors in the bumpers.

The range is approx. 6 ft/2 m.

An acoustic warning is first given:

  • By the front* sensors and the two rear corner sensors at approx. 24 in/60 cm.
  • By the rear middle sensors at approx. 5 ft/ 1.50 m.
    See also:

    Improved pedestrian protection
    The front of the new BMW 3-Series features various pedestrian protection systems. An impact absorber is located between the bumper supports and bumper trim, reducing leg injuries, while the bonnet ...

    Switching off automatically
    The system switches off and the LED goes out: ▷ After approx. 165 ft/50 m when driving forward. ▷ After approx. 22 mph/35 km/h when driving forward. Switch on the system again if nece ...

    Supplementary text messages
    Addition information, such as on the cause of a fault or the required action, can be called up via Check Control. The supplementary text of urgent messages is displayed automatically. It is sh ...