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:
Doors
Automatic soft closing
To close the doors, push lightly. It is closed automatically.
Danger of pinching
Make sure that the closing path of the
doors is clear; otherwise, injuries may result. ...
For the 530i, 535i, 550i, 525d,
530d and 535d: check oil level
The concept
The oil level is monitored electronically and displayed
on the Control Display.
Requirements
▷ The engine must be running and warm after
the vehicle has been driven for at lea ...
Lane Change Warning System monitors vehicles following behind
Inattentiveness or misjudgement of the distance and speed of a vehicle
approaching from behind can lead the driver into a critical situation when
changing lanes. The optional Lane Change Warning S ...
