E46Fanatics - View Single Post - Economical Sound Upgrade, 2 Questions...
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Old 05-09-2009, 01:37 PM   #9
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Join Date: Sep 2007
Location: upper marlboro maryland
Posts: 9
My Ride: 330ci
I have already put a amp in because my convertible didn't have a sub installed. So if I already have an amp, when I change the front and rear speakers do I need to do something different?
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