The concept

This system issues a warning at speeds above approx. 40 mph/65 km/h if the vehicle is about to leave the lane on roads with lane markings.

The steering wheel begins vibrating lightly.

The system does not issue a warning if the turn signal is set before leaving the lane.

    See also:

    System limits
    Personal responsibility The system cannot serve as a substitute for the driver's personal judgment of the traffic situation. In the event of a warning, do not jerk the steering wheel, as you ...

    Safety
    The BMW 650i has not been crash-tested by the National Highway Traffic Safety Administration and Insurance Institute for Highway Safety. Neither organization typically tests low-volume cars with s ...

    Wiper blade replacement
    General information Do not fold down the wipers without wiper blades Do not fold down the wipers if wiper blades have not been installed; this may damage the windshield. Replacing the wiper ...