See also:

Releasing
Raise lever slightly, press the button and guide the lever down. ...

Enabling operation in the rear
Only possible via the iDrive in the front. 1. "Settings" 2. "Allow rear control" 3. Select the desired priority. ...

Removing
Only remove the head restraint if no one will be sitting in the seat in question. 1. Pull the head restraint upward as far as possible. 2. Press the button, arrow 1, and pull the head restrain ...