Quote:
Originally Posted by lukeb817
Regarding mileage, since installing the PPK, my F30 335i average is 18.8MPG (90+% highway) with very spirited driving. The gas mileage isn't terrible...but it's not that great. There was a brief time that I worried about gas mileage while I was in grad school full time with a 100 mile round trip daily commute and a slightly tighter budget, but now, I just care about enjoying the drive.
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Something went terribly wrong. There is no way you should be experiencing that MPG. I have a Stage 1 and still get well over 30 MPG when driving highway (even when 85+ MPH)