Quote:
Originally Posted by mkPOTO
Side note, anyone have a upgrade system in their car? I plan on doing a upgrade system depending on how the system is (whichever I get) I want to see what options are available for a subwoofer.
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A few people around here have, but not many. It's pretty costly given the # of speakers you need to replace and/or add, plus amplification, installation, etc.
Unless you're super particular about sound, just stay away from option '645 Radio Control US' (on LCI U.S. models, you'll only find this on 2011 35i's w/o the Premium Sound Package).
'676 Hi-Fi Loudspeaker System' or '677 Hi-Fi System Professional' will likely suffice….they're pretty similar. 677 as I understand it adds 2 additional speakers in the far back, a glovebox DVD player, and an equalizer. I couldn't really tell the difference between these 2….645 is noticeable terrible.
676 is standard on all 2012 + 2013 models, with 677 being an option.
There's some thread on there that may help - here one…
http://www.xbimmers.com/forums/showt...=audio+upgrade