See also:

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

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 ...

Opening/closing the glass sunroof
When the sliding visor is open, proceed as described under Sliding visor. ...