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      01-07-2013, 08:24 PM   #10
Higher than you
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Drives: E92 335iS
Join Date: Nov 2011
Location: Colorado

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Originally Posted by Klassic500 View Post
whats the difference between g5 and g4 if you dont mind me asking
Not entirely sure, but I know it allows more tuning options for guys going well beyond stock. Usually used in conjunction with meth...
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