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      10-03-2012, 11:10 PM   #2
Simple3
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Drives: f10 550i
Join Date: Jul 2011
Location: USA

iTrader: (7)

The normal JB4 with ur mod is fine. G5 is for those who want to run meth and bigger turbos at one point or another. Even fill nolt on guys are taking advantage of the G5 board to max out their stock twins.