See also:

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 ...

Features
Like most up-level BMWs these days, the 650i can be equipped with a dizzying array of technological wizardry. Ours came equipped with an optional lane departure warning and correction system, adap ...

Radar sensors
The radar sensors are located under the rear bumper. The system may not be fully functional in the following situations: Dirty or icy bumper. Stickers on the bumper. A Check Control me ...