Some of the functions:
Enable the operation of the navigation menu while driving (watching DVD)
Display engine output and torque meter
Activate the voice recognition function
Select between three different kinds of Bluetooth phone rightones
Disable the seat belt status display
Disable seat belt reminder
Activate / deactivate the function of angel eyes
Deactivate the engine start-stop function
Display tire pressure and temperature in iDrive
Start the car by pressing the 'Start' button only