Backrest width

Change the width of the backrest using the side wings to adjust the lateral support.
See also:
Service booklet
Perform maintenance work at the service center,
and record the work in the service booklet.
The entries are proof of regular maintenance. ...
Opening the main menu
Press the button.
The main menu is displayed.
All iDrive functions can be called up via the main
menu. ...
BMW 7 Series Owners Manual
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