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      11-25-2012, 03:56 PM   #11
Drives: 2009 135i
Join Date: Oct 2011
Location: USA

Posts: 907
iTrader: (2)

I think mine is the "Base" model - it says Professional on the headunit, I have tweeters, and 8" subs under the seats - but I think that came standard. The sound was OK. I installed Focal speakers, Earthquake subs (direct replacement), and a JL amp - sounds much better. If you want a factory install and sound quality matters, I would get the HK.
Adam135 is offline   United_States
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