See also:

Navigation bar overview
The functions of the navigation bar symbols can also be stored on the programmable memory buttons ...

Programmable memory buttons
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 i ...

Requirements
Via the Control Display, set a language that is also supported by the voice activation system so that the spoken commands can be identified. Set the language. ...