Not a whole lot of info here...
What map was the JB4 on? How many adaption runs did you give each tune, stock, JB4 and Cobb? What tune did you drive to the dyno on?
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- - My Car Domain - -
2010 BMW 135i AT, AW, ///M Sport
JB4|BMS DCI|MS 3" cattless DPs|Golf Tee|33% Tint|///M Pedals
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