Multi-channel playback,surround
Choose between stereo and multi-channel playback, surround.
Setting multi-channel playback, surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Surround"

When surround is activated, multi-channel playback is simulated when a stereo audio track is played.
See also:
Driver's door controls
Roller blind for rear window
Press the button.
Extending or retracting the roller blinds
together
Press and hold the button. ...
Operation
Adjusting the volume
Turn the knob until the desired volume is reached. The setting is stored for
the remote control currently in use.
The vehicle automatically adjusts the volume of the microphon ...
Convertible Faults
When the top is down, the 650i is truly magnificent. Very little wind
intrudes on front passengers, and the car feels rigid — very rigid. Like a tank.
The cruising experience is terrific right un ...
