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      10-12-2012, 09:11 PM   #23
woodchuck1
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I have a new XDrive 35i with only about 1200 miles on it, and so far my average gas mileage as computed by the car is 25 mpg (normal driving, mostly highway.) That's way better than I expected. When you consider the power and performance, it's absolutely amazing. I love this car!
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      10-13-2012, 05:26 PM   #24
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City mileage is always misleading. If you really like to measure mph, drive on freeway at steady speed of 60mph, reset trip meter settings on idrive while driving and check the mpg average over 10 miles thereafter. You will be surprised to see a reading of 35 mpg. You should look at the current average and not the cumulative average.
Agreed. After some time at a steady 74 mph and utilizing ethanol free 91 octane, I was very impressed with the results in our 35i.
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      10-13-2012, 07:08 PM   #25
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I have a '13 2.8 with about 1600 miles. Most of my miles are from my daily communte which is half highway. Since the first tank, which include a few hours of idling in my driveway playing with iDrive, I have been getting around 25MPG. For my last tank, the computer said 25.2MPG, I caclulated the MPG at 24.9; so overall I have been happy so far.
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      10-15-2012, 02:08 PM   #26
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Quote:
Originally Posted by kskpsu View Post
Agreed. After some time at a steady 74 mph and utilizing ethanol free 91 octane, I was very impressed with the results in our 35i.
impressive.Where can you find ethanol free gas?
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      10-15-2012, 10:02 PM   #27
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impressive.Where can you find ethanol free gas?
http://www.pure-gas.org/
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      11-12-2012, 01:33 PM   #28
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I have 6K+ miles on my 2013 F25 N20 and I average around 22mpg. But, my average speed is usually around 28mph, which I think is key. I have a 55 mile round trip commute which does include a 3 lane highway but when I'm on it it's usually a 3 lane parking lot. Then, on the weekends, it's all around town driving. When I do drive on an uncongested highway, I'll get upwards of 32mpg just for that highway stint. But combined mileage struggles to get much over 22mpg. Driving in Eco Pro gives me a few tenths in mileage but not enough to make much of a difference. And it dosen't much matter which gas I use, althought I try to use Shell. Still, this is better than my 2008 E91 which struggled to maintain 20mpg in perfect tune.
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      11-13-2012, 12:25 AM   #29
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We have 3100 miles on our 2013 28i and in comfort mode mixed driving (skewed towards city) we are getting 25-26 MPG consistently. I am very impressed with the fuel economy.
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      11-13-2012, 12:33 AM   #30
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We have 3100 miles on our 2013 28i and in comfort mode mixed driving (skewed towards city) we are getting 25-26 MPG consistently. I am very impressed with the fuel economy.
My 2013 28i is now 1900 miles and I'm still getting 18 MPG in ECO PRO Mode consistently. Should I start to get worried or wait for 1000+ more miles.
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      11-13-2012, 10:17 PM   #31
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I went to BMW service center today to ask about why I'm only getting 17.8 mpg & they couldn't even figure out why. They want me to schedule my X3 for inspection next week. I will see what are they going to find out as why mine is not efficient.
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