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      11-06-2012, 04:58 PM   #3
Mach V Dan
United_States
5

 
Drives: 2009 E90 335i
Join Date: Nov 2010
Location: Sterling, VA


Posts: 276
iTrader: (0)

I replaced the underseat woofers with some Jehnerts fancy ones, and they didn't do much for me. What did help was an 8" sub that I put in one corner of the trunk in a custom box.

--Dan
Mach V