Thread: All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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      01-20-2013, 12:25 AM   #6869
dominick
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Drives: 08 335i
Join Date: Jun 2011
Location: S. Florida

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Thats a good sign for you guys. Belive your suppose to read negative which means you dont have a vacuum leak like me.
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