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      02-21-2014, 06:21 PM   #6
NormE91
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Drives: 2007 BMW 328xi Touring
Join Date: Feb 2013
Location: Massachusetts

Posts: 629
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Quote:
Originally Posted by Markcaughey
Quote:
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.

Quote:
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!
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