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      03-02-2013, 07:18 PM   #28
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Drives: F10 N53B30 - AC Schnitzer
Join Date: Mar 2012
Location: Norway, Scandinavia

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Originally Posted by ColdList View Post
Manhart, Schnitzer,PP-all running exact same ECU tune. Not a custom in house tune. No one has one. They come form the same source. I have the EXACT tune, downpipes and exhaust on my car. Car is ridiculously fast. Will leave a stock M5 in the dust. Greatest challenge is launch.
Do you have any source for this info? Hartge does a piggyback/stand alone ECU and others do a remap. Obviously different approaches between some tuners...

Hartge is the only tuner that I know of that has done back to back acceleration runs with a proven reduction in time between speeds (the vids are on Youtube).

And why isn't the PP cars trap speed at the 1/4-mile faster than the std. M5?
And why is the PP car 25hp down on the Supersprint car (at the rear wheels)?

(trap speed is a good indicator of power gain whereas ET is a good indicator of launch and grip at the start)

Last edited by Boss330; 03-02-2013 at 07:28 PM.