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      09-20-2012, 12:40 PM   #2
First Lieutenant
Drives: 2009 328i
Join Date: Jul 2010
Location: US

Posts: 304
iTrader: (1)

I think there must be some kind of crossover built in to the wiring somewhere...I bought the BSW component set (which I am going to return) and I think it uses the same drivers as the drop in and just adds a crossover.

I am curious to know how you feel about your upgrade? upgrading the front mid/tweeter make a big difference?
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