System limits

Due to system limitations, warnings may Be alert
Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger of an accident occurring.◀

Detection range

This may result in the warning not being issued or being issued late.

For example, the following situations may not be detected:

▷ Slow moving vehicles when you approach them at high speed.
▷ Vehicles that suddenly swerve in front of you or sharply decelerating vehicles.
▷ Vehicles with an unusual rear appearance.
▷ Two-wheeled vehicles ahead of you.

Functional limitations

The system may not be fully functional in the following situations:

▷ In heavy fog, rain, sprayed water or snowfall.
▷ In tight curves.

Prewarning sensitivity

Each time after the prewarning time is set, this may result in increased false warnings.

    See also:

    Switching off automatically
    The system switches off and the LED goes out: ▷ After approx. 33 ft/10 m when driving forward. ▷ After approx. 9 mph/15 km/h when driving forward. Switch on the system again if necess ...

    Long-term vehicle storage
    Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...

    Service and warranty
    We recommend that you read this publication thoroughly. Your BMW is covered by the following warranties: > New Vehicle Limited Warranty > Rust Perforation Limited Warranty > Federal Emiss ...