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      01-11-2013, 01:41 PM   #4
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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Take it back or at least call them .

Ask what they did to it . Looking at it doesn't say much about it.
If its a US car made before 09 it will be HI FI or L7.
If its a 06 330 it will be L7.
Did they work in the rear area of the car where the amp is at all?
Did they do any programming on the car ?

Last edited by ctuna; 01-11-2013 at 02:10 PM.