See also:

Central locking system
The conceptThe central locking system functions when the driver's door is closed. The system simultaneously engages and releases the locks on the following: > Doors > Trunk lid > Fuel ...

Switching the interior lamps on and off
Press the button. To switch off permanently: press the button for approx. 3 seconds. Switch back on: press button. ...

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 ...