See also:

Lane Change Warning System monitors vehicles following behind
Inattentiveness or misjudgement of the distance and speed of a vehicle approaching from behind can lead the driver into a critical situation when changing lanes. The optional Lane Change Warning S ...

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 gently. The syste ...

SAFETY
The 2012 X5 received four out of five stars in rollover crash tests by the National Highway Traffic Safety Administration. It hasn't undergone any of NHTSA's other crash tests, and it hasn't been ...