See also:

Adjusting volume
Turn knob 1next to the CD/DVD player until the desired volume is obtained. You can also adjust the volume with buttons on the steering wheel. ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...

World firsts
The BMW 7-Series' drivetrain superiority is reinforced with a plethora of automotive firsts. All BMW 7-Series can now be specified with the world's first Head-up Display incorporating a speed limi ...