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      06-23-2011, 07:18 PM   #35
MilehighM3
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Drives: Harrop E90 M3
Join Date: May 2011
Location: Colorado Springs

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2009 E90 M3  [6.50]
Quote:
Originally Posted by JHOOPS2 View Post

So you are saying that the Piggybacks tune the signals from and to the DME to a specific level?
Yep. Simple resistance changes for various sensor inputs/outputs fools the dme into thinking the boost, throttle, air temp, etc are different than they really are so the dme corrects for the altered signals.
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