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Old 07-21-2006, 09:58 PM   #7
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Join Date: Jan 2005
Location: Ontario
Posts: 2,676
Originally Posted by windwagen
If you have the DSP system (factory sub), you can't do it. The factory radio receiver is in the amp to start with, not the deck. Furthermore, the outputs from the factory deck are already split through an on-board xover, and there are no points to pick out a full range signal.

here's more about the bad "tips and tricks" and check out the stereo section - Click the E39 DSP stereo Database link for stories on what others ave done...good luck!
I looked into doing my 540, after a few months or research I decided best to leave it alone untl something major goes.
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