See also:

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. ...

Customer Relations
At a glance Contact Customer Relations for information on all aspects of your vehicle. Calling Customer Relations Vehicles not equipped with BMW Assist or TeleService 1. "BMW Assist" ...

Switching off automatically
The system switches off and the LED goes out: After approx. 33 ft/10 m when driving forward. Above approx. 9 mph/15 km/h when driving forward. Switch on the system again if necessary. ...