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:
Low tire pressure message
The yellow warning lamp lights up. A
Check Control message is displayed.
There is a flat tire or a major loss in
tire inflation pressure.
The system was not reset after a wheel
change ...
Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder
engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph
time of 5.5 seconds for both the coupe an ...
General information
Do not adjust while driving
Do not adjust the steering wheel while
driving; otherwise, an unexpected movement
could result in an accident. ...