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.

The engine starts again automatically for driving off.

    See also:

    Switching on/off
    Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. The system can issue warnings at speeds above approx. 30 mph/50 km/h. The state is stored for the remote contro ...

    Auto Start-Stop, Brake Energy Regeneration, ECO PRO mode
    The new BMW 3-Series Sedan is equipped as standard with an Auto Start-Stop function, which automatically switches off the engine during short stops at traffic lights or in stationary traffic, so a ...

    Driving tips
    This chapter provides you with information useful in dealing with specific driving and operating modes. ...