Thread: JB4 bost gage
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      04-26-2012, 09:12 PM   #1
steve7909
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Drives: 2007 e92
Join Date: Apr 2012
Location: Philadelphia


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JB4 bost gage

How do i activate my boost gage on my JB4, an what map is recomended for a 2007 E92 afe dule intake, fab speed DP, 93 octane