HPF does it again! Stage 4 makes 1022 rwhp (1246 HP)!!!
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06-20-2009, 10:16 PM
Drives: 08' space grey 335i/ E30 3er
Join Date: Jul 2007
Location: newport beach, ca
how much does the upgrade run for a fully built stage 4 m3 from HPF?
Originally Posted by
You guys let your women drive BMWs? Next they'll be wanting to wear clothes and vote... not good, my friends...
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