Detailed Inside Photos: http://www.xolmatic.com/xprojects/XE65/M_Logic_7.htm

Logic7 Amplifier Removing Instructions: http://tis.spaghetticoder.org/s/view.pl?1/08/82/87

BMW Sound System Overview: http://tis.spaghetticoder.org/s/view.pl?1/10/09/07

BMW Sound System Common Faults: http://www.bimmerfest.com/forums/showthread.php?t=410732