After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened.
See also:
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 ...
Automatic deactivation during forward travel
The system switches off when a certain driving
distance or speed is exceeded.
Switch the system back on if necessary. ...