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. "L7 Surround"

When surround is activated, multi-channel playback is simulated when a stereo audio track is played.
LOGIC7 and LOGIC7 logo are registered trademarks of Lexicon, Inc., a Harman International Group company.
See also:
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 ...
Locking and unlocking
Press the button in the
vehicle.
The doors and the tailgate are locked or unlocked
when the front doors are closed, but they
are not secured against theft.
The fuel filler flap remains unlock ...
Opening the main menu
Press the button.
The main menu is displayed.
All iDrive functions can be called up via the main
menu. ...
