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:

    Malfunction
    A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

    Parts and accessories
    For your own safety, use genuine parts and accessories approved by BMW. When you purchase accessories tested and approved by BMW and Genuine BMW Parts, you simultaneously acquire the assurance ...

    At a glance
    1 Function bar 2 Route section with traffic obstruction 3 Traffic sign for traffic obstruction 4 Planned route 5 Current location 6 Upper status field 7 Lower status field Lines in the map S ...