See also:

Vehicle information
Owner's Manual Computer Vehicle ...

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

CD changer
The BMW CD changer for six CDs is behind the left side panel in the cargo area. Removing the CD magazineTo insert or remove CDs from the CD magazine, you must first remove it from the CD changer: ...