See also:

General information
The iDrive functions can be stored on the programmable memory buttons and called up directly, e.g., radio stations, navigation destinations, phone numbers and entry points into the menu. The ...

Maintaining current speed
Push, arrow 1, or pull, arrow 2, the lever to the resistance point. The car's current speed is stored and maintained. It is displayed on the speedometer and briefly in the instrument cluster. O ...

The concept
The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...