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Originally Posted by Nkc
Do all of you guys base your findings with the fuel consumption from the car display? I find the display to give out consistently higher returns when comparing to my phone app, usually by 1km/L (2.35MPG), which is a whole 10% off. Anyone else log their trips and fill ups with an app?
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I don't get it. It's simply miles divided by gallons. How can you get a false reading?
Anyway, What's important is to identify significant changes in mpg between fill ups, not necessarily what method you're assessing it with.
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2016 340i XDrive, EBII/black, 6 MT, M Sport, Track Handling, Cold Weather, Tech, Lighting, Driver Assistance Plus.
2012 Z4 35i, ED 2/24/2012, Melbourne Red Metallic, Black Leather, Carbon Trim, 6MT, M Sport, CW, PP, PS, NAV, CA.