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      11-12-2011, 08:26 PM   #2
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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You won't need a processor if you do that.

You should relocate the old head unit to the trunk or at least hold on to it
so you will have it if your car needs programming.

http://www.e90post.com/forums/showth...ht=aftermarket