See also:

Parked-car ventilation
The concept The parked-car ventilation ventilates the vehicle interior and lowers its temperature, if necessary. The system can be switched on and off at any external temperature, either directl ...

Precise lines produce a stretched silhouette and enhance the car's dynamic impact
Powerfully taut surfaces with sweeping lines dominate the side view of the BMW 3-Series Sedan, stretching the car visually and lending extra verve to its dynamic stance. The flanks of the car are ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...