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      10-26-2012, 11:05 AM   #1
E30 Racer
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Drives: '11 1M, '09 335i M Sport
Join Date: Aug 2011
Location: Ohio

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I'm not referring to turbo lag per se, more like reducing spool time. What modification(s) have the most profound effect on this? Comments based on direct experience appreciated.
Appreciate 0