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      10-06-2012, 09:57 PM   #8
PR3CI5N
need4speed
 
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Drives: 2010 E90 M 335i
Join Date: Jun 2010
Location: California

Posts: 1,061
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I run JB4 g4 board on my 2010 E90 and on 91 octane my fuel open looping is at 80. After I add E-85 my fuel open looping jumps up to 88. Before it jumps up to 88 my car runs rough between shifts but 88 she runs strong. You def should adjust your fuel open looping.
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