See also:

Owner's Manual for Vehicle
Thank you for choosing a BMW. The more familiar you are with your vehicle, the better control you will have on the road. We therefore strongly suggest: Read this Owner's Manual before starting off ...

Requirements
▷ Subscription to the optional Convenience Plan. ▷ The date setting on the Control Display is current. ▷ The vehicle is located within wireless network coverage. ...

Issued warning
If you leave the lane and if a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before changing the lane, a warning is not issued. ...