BMW 2009 X5 Owner's Manual page 178

2. Move the controller to the left or right to
select "Treble" or "Bass".
3. Turn the controller until the desired setting
is selected.
Balance and fader
You can adjust the volume distribution in the
same manner as "Treble / Bass".
> "Balance": left/right volume distribution
> "Fader": front/rear volume distribution
Speed-dependent volume control
The speed-dependent volume control auto-
matically increases the volume with increasing
speed. You can set various stages for the
increase in volume.
When equipped with two drives:
1. Select "Speed volume" and press the con-
troller.
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2. Turn the controller:
The adjustment is applied; the field can be
changed.
When equipped with a single drive:
1. Select "Volume settings" and press the
controller.
2. Change to the second field from the top if
necessary. Select "Speed volume" and
press the controller.
3. Turn the controller:
The adjustment is applied; the field can be
changed.