See also:

Aerodynamic optimisation of underside panelling
As the excellent drag coefficient (cd = 0.26) would suggest, the aerodynamics of the new BMW 3-Series have been intensively honed in a state-of-the-art wind tunnel. The optimised aerodynamics also ...

Engine stop
The engine is switched off automatically during a stop under the following conditions: Manual transmission: ▷ Neutral is engaged and the clutch pedal is not pressed. ▷ The driver's ...

Activating/deactivating the system manually
Using the button Using the button Press the button. ▷ LED comes on: Auto Start Stop function is deactivated. The engine is started during an automatic engine stop. The engine c ...