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      02-21-2014, 06:21 PM   #6
Drives: 2007 BMW 328xi Touring
Join Date: Feb 2013
Location: Massachusetts

Posts: 629
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Originally Posted by Markcaughey
Originally Posted by e92_enthusiast_1
How long has it been? Did you have your DME adaptations reset and maybe an ECU reset? Might just need to relearn some of that stuff.

Originally Posted by Markcaughey View Post
Anyone find an mpg drop after muffler delete ? Don't know if its just sociological or because I now have a heavier foot !
2 days ago - around 50 miles

How do I reset that stuff. ?
50 miles isn't really far enough to calculate your mpg accurately. See what it is after a full tank. Also, calculate it manually rather than relying on the trip computer.

Good luck!
NormE91 is offline   United_States
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