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      09-08-2012, 03:39 PM   #35
cnicholson
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Drives: 2013 F10 M5
Join Date: May 2012
Location: SF Bay Area

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In addition to before and after dyno numbers, tuners should post GPS logs of before and after pulls from 60-130mph. Where the rubber hits the road is, well, where the rubber hits the ROAD, not a rolling dyno drum...
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