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Old 09-02-2008, 08:51 PM   #14
jhriss
Registered User
 
Join Date: Nov 2005
Location: Seattle, WA
Posts: 150
My Ride: 2002 BMW 330xi
Yeah man, MTH Cartune is just a software application that allows you to reprogram with the file that ESS gives you that you pay $500 for, and the ISO adpater is the interface cable to connect. Hope that helps. This way you don't have to send them your ECU!! and they can just have you read car etc. and do updates easily whenever you mess with stuff. They are good, my AFR's are an even 12 across and then at 6.5 psi a bit rich at 11.5 now, everything in harmony.
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Jason Hrissikopoulos

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