See also:

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Adjusting the side extensions
Fold the side extensions on the head restraint forward for increased lateral support in the resting position. ...

BMW EfficientDynamics: More power, less fuel consumption
With high-performance engines, superior suspension technology and an extremely torsion-resistant body, the new BMW 3-Series is building on its position as the sportiest sedan in its segment. It is ...