See also:

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...

Adjusting
Vehicle Equipment ...

The concept
BMW X5 BMW X5 ▷ During normal brake application, the outer brake lamps light up. ▷ During heavy brake application, the inner brake lamps light up in addition. BMW X6 BMW X6 & ...