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Yes could be no data from before but you can feel where the power differance is and how long it holds full power , also could just be the tune, the tuners have done 30 1m's and he was happy with the dyno chart , you have to trust people sometimes I wouldn't expect a tuner to say there program is crap but the car is very very quick now and I am very happy with it , I had a v10 m5 before this and feel the 1m is quicker to 140 than that was but doesn't compare to a m5 at top speed
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