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      02-14-2020, 05:56 PM   #23
pungo
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If you're not getting close to the window sticker mpg with your 4 banger, either somethings wrong with your car or you're not driving efficiently (jack rabbit starts and hard stops) aka the binary driver. And if you're crawling in the city, don't expect to get much mpg. It takes a lot of energy to get a 4200 lb vehicle up to speed from a dead stop, so taking off quickly will suck up the petrol. There are many techniques to improving mpg and racing to the next red light is not one of them.

Not that this is an apples to apples comparison, but I average 22 mpg with my x35i in mixed driving and up to 30 mpg on a flat highway <70 mph, but driving it hard (less efficiently) the mpg drops substantially.
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      02-15-2020, 12:42 AM   #24
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I just orded new fuel injector I'll put them on to see if it will help. I can't stand with driving one mile and losing about 5 miles of range it's going to cost me more in the long run.
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      02-15-2020, 01:11 AM   #25
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The range thing is pretty meaningless. It calculates based on what you did recently. Jump on the highway and it will go up instead of down. Go by what it says your mpg is not the range.
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      02-15-2020, 01:21 AM   #26
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Quote:
Originally Posted by Opie55 View Post
The range thing is pretty meaningless. It calculates based on what you did recently. Jump on the highway and it will go up instead of down. Go by what it says your mpg is not the range.
But my mpg is pretty bad too, I used ISTA to do a rough running test cylinder 1 and 4 value was higher than cylinder 2 and 4. Cylinder misfire counter showed cylinder 1 had 3 misfire so that suspect me something is not right with the fuel system. When I engage to drive with break applied the front seat vibrates like massage chair if I had AC on(higher rpm) then the vibration goes away.
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      Yesterday, 12:11 PM   #27
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It's posts like these that make me grateful I'm averaging 33+ MPGs without having to watch my speed. I wanted an X3 for the AWD, but I waited until I found the right one for me: the oil burner.
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2016 X3 x28d // 52xxx miles // 34 MPG
2014 MB GLK250 // 120xxx miles // 32 MPG

Last edited by andreigbs; Yesterday at 02:07 PM..
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