Opening the main menu
Press the button.

The main menu is displayed.
All iDrive functions can be called up via the main menu.
See also:
Maintenance
The battery is maintenance-free, i.e., the electrolyte
will last for the life of the battery.
Your service center will be glad to advise you on
questions regarding the battery. ...
Camera monitoring: Lane Departure Warning System and Collision Warning
The Lane Departure Warning System available for the new BMW 3-Series Sedan is
activated at speeds above 70 km/h (43 mph) and warns the driver if he
unintentionally strays out of his lane. The syst ...
The concept
This system projects important information into
the driver's field of vision, e.g., the speed.
In this way, the driver can get information without
averting his or her eyes from the road. ...
