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      03-09-2014, 09:38 PM   #9
Enlisted Member

Drives: 2011 328i sedan
Join Date: Mar 2014
Location: Los Angeles

iTrader: (0)

Originally Posted by Markcaughey
Think I could just be paranoid. Need to try it on a decent stretch of road. Only tried it on a short stretch at 70mph, so I guess it could be that this particular part of road is on a gradient.
When I picked up the car I drove it home (200 mile trip 70mph) it returned 39mpg.
Now I'm getting 32-34mpg but as I say it's only on a short stretch.

When I'm not paying attention on trying to get good mpg it still returns the same 24-27mpg so that's not changed atoll.
I replaced my resonator with a Y pipe and had tips welded on. Its not very loud but it did make it sound meaner on start up and revs. When i first got it the sound wasnt too great, but after like 2 gas tanks it sounded much better. The computer probably got used to it