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      03-21-2013, 10:28 AM   #8
vachss
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Drives: Z4 Coupe
Join Date: Jan 2008
Location: Ventura County, CA

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A number of years ago I got an ECU tune for my 3.0si. Attached is the before/after dyno which seems very much in line with the OP's. Unless he knows the dyno on which his car was tested used some unusual correction factor I wouldn't worry about those results.


Last edited by vachss; 03-21-2013 at 12:50 PM..
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