See also:

Configuring the prewarning
After the warning function is switched on, the following can be set via the iDrive: The prewarning can be switched on/off. The time of the prewarning can be set. These settings have no effe ...

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

The concept
This system issues a warning at speeds above approx. 40 mph/65 km/h if the vehicle is about to leave the lane on roads with lane markings. The steering wheel begins vibrating gently. The syste ...