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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 01-21-2013, 11:19 AM
burrito007 burrito007 is offline
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Mein Auto: 323i
Bad MPG - getting 16.1-16.2 mpg

So I bought an X5 3.5i premium last september and have been running it with premium fuel. My driving is about 30-40% highway and the rest city for commuting in and out of NYC and driving around NJ on the weekends. Whenever I reset it, the MPG readout on the idrive always settles on 16.2 mpg. When i drive it harder in sport mode shifting manually and flooring it off the line, it goes down to 16.1. I have never done better than 19 even when I reset it on the highway and lightly use the gas @70mph.

Is this normal for the X5? I thought the N55 was supposed to get pretty good milage but perhaps its just because the car is 5k lbs. I have never owned/driven an SUV before.
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  #2  
Old 01-21-2013, 12:12 PM
blueskyz089 blueskyz089 is offline
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Mein Auto: 2011 X5 35i
I am getting 15~16, but only some hwy miles during weekend...

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  #3  
Old 01-21-2013, 04:47 PM
sparrky sparrky is offline
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That is what I get. Average 14-16 normal driving.

When I'm doing a long trip of highway driving, maybe 19.
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  #4  
Old 01-21-2013, 05:27 PM
tol4o tol4o is offline
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I though X5 35i's gas mileage was closer to the diesel but it seems like I was wrong. We just came back from a ski vacation with X5 35D. 100% highway driving between 70 and 80 mph, the fuel consumption was 29.7mpg. I think this is amazing for SUV this size with 4 people and full luggage compartment.
Mixed 50/50 we get around 24-25
90% city we get around 20-21mpg
The mpg increased with the total miles rolled. We are at 21k now
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  #5  
Old 01-21-2013, 05:38 PM
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  #6  
Old 01-21-2013, 06:41 PM
RockChips RockChips is offline
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Mein Auto: 2008 X5 3.0si
I'm going to have to use a bottle of Redline SL1 about a 1000 miles before next oil change.
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  #7  
Old 01-21-2013, 10:55 PM
henrycyao henrycyao is offline
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Quote:
Originally Posted by burrito007 View Post
So I bought an X5 3.5i premium last september and have been running it with premium fuel. My driving is about 30-40% highway and the rest city for commuting in and out of NYC and driving around NJ on the weekends. Whenever I reset it, the MPG readout on the idrive always settles on 16.2 mpg. When i drive it harder in sport mode shifting manually and flooring it off the line, it goes down to 16.1. I have never done better than 19 even when I reset it on the highway and lightly use the gas @70mph.

Is this normal for the X5? I thought the N55 was supposed to get pretty good milage but perhaps its just because the car is 5k lbs. I have never owned/driven an SUV before.
What is more important is how long is your commute typically? If the engine barely get warm, then you are going to have fuel efficiency issue regardless if you are on diesel or gasoline engine. I consider less than 10 miles commute to be short distance and fuel economy will suffer. NYC is also pretty bad for stop and go. That is going to eat up the fuel as you accelerate the car goes from stop and go.

The other factor is brand of fuel does has an effect on the fuel economy. In California, Chevron and Shell are pretty good. Use those and you get better fuel economy.
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  #8  
Old 01-22-2013, 07:42 AM
UncleJ UncleJ is offline
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burr, you will notice an improvement as the engine wears in. Usually about 10K miles will see it pretty well set. Have patience and check it out on a nice long flat trip -- you should be close to 20 or even a bit more.
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  #9  
Old 01-22-2013, 07:48 AM
burrito007 burrito007 is offline
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Quote:
Originally Posted by henrycyao View Post
What is more important is how long is your commute typically? If the engine barely get warm, then you are going to have fuel efficiency issue regardless if you are on diesel or gasoline engine. I consider less than 10 miles commute to be short distance and fuel economy will suffer. NYC is also pretty bad for stop and go. That is going to eat up the fuel as you accelerate the car goes from stop and go.

The other factor is brand of fuel does has an effect on the fuel economy. In California, Chevron and Shell are pretty good. Use those and you get better fuel economy.
its about 15-20 miles but takes ~1 hour
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  #10  
Old 01-22-2013, 08:52 AM
boostedX5SAV boostedX5SAV is offline
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If I was solely driving around NYC, I'd get around 10MPG. What is your lifetime average speed? I believe mine is around 20-25MPH and I get lifetime 19MPG...
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  #11  
Old 01-28-2013, 09:07 AM
lammphil lammphil is offline
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Mein Auto: 2011 X35i Sport Activity
X5 Mileage Comparison

I get about 19 mpg in my 2011 X5 xDrive35i. This is mostly country driving with an average speed of just under 30 mph. It's slightly better in the winter than in the summer. On road trips with mostly highway driving, it'll climb upwards of 23 mpg.

My vehicle has just shy of 20K miles, so it's well broken in. I tend to drive it conservatively as I'm usually transporting children. I'd never seen mileages around 16 mph, even when brand new. If you're seeing this, and NOT driving like a bat out of hell, I'd have the sensor system checked out at the dealer. If you have adaptive drive, it's possible that may be reducing the efficiency of the drive train as well.

Also, deisel ratings are always higher in part because the fuel contains roughly 1/3rd more chemical energy than gasoline. That math means a deisel should get around 25 mpg on this vehicle.

Cheers, Phil

Last edited by lammphil; 01-28-2013 at 09:12 AM.
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  #12  
Old 01-28-2013, 10:48 AM
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5seriesHB 5seriesHB is offline
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this mpg thing is a scam for cars other than diesels! ps no need to rebut my statement! its just my opinion. i know someone is gonna post they get 16mpg ...great!
i littereally have to drive like a frigin snail to get 13 to around town...now grant u that
there a light literally a stop light every 1/4 mile and my mph is only averaging 20 around town
i literally cant go anywhere..LOL
even when i get on the higheqy i only go like 10 miles away. this is my reality right now with two little kids...no where to go
im over it. im just gonna drivve the piss out of it and njoy...F U MPG
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  #13  
Old 01-28-2013, 10:51 AM
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gresch gresch is offline
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Mein Auto: '12 X5 35d
Quote:
Originally Posted by tol4o View Post
I though X5 35i's gas mileage was closer to the diesel but it seems like I was wrong. We just came back from a ski vacation with X5 35D. 100% highway driving between 70 and 80 mph, the fuel consumption was 29.7mpg. I think this is amazing for SUV this size with 4 people and full luggage compartment.
Mixed 50/50 we get around 24-25
90% city we get around 20-21mpg
The mpg increased with the total miles rolled. We are at 21k now

I"m averaging 22.4 in my X5 35D. 3k miles on the odometer.
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  #14  
Old 01-28-2013, 04:43 PM
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chiefneil chiefneil is offline
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Last time I checked I was getting around 18 as a total average. That's a mix of suburban soccer-mom type driving, maybe 30% highway the rest local. My previous 2002 X5 3.0i averaged around 17mpg. Bigger car plus 80 more hp plus better mileage is a plus in my book over the E53.

Mileage on the highway is pretty decent: 25 - 30mpg depending on how fast I'm going.

For reference I think my 330i only gets around 21-22mpg, and it's maybe 1,500 pounds lighter.
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  #15  
Old 01-28-2013, 06:20 PM
Penguin Penguin is offline
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Mein Auto: Z4 and X5 Diesel
Quote:
Originally Posted by lammphil View Post
Also, deisel ratings are always higher in part because the fuel contains roughly 1/3rd more chemical energy than gasoline.
In the U.S. it is more like 15-17%, less with Winter blends in cold parts of the country during Winter. The rest of the economy improvement comes from high compression ratios possible with the Diesel cycle vs. the Otto cycle.
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  #16  
Old 01-28-2013, 06:53 PM
Rod27 Rod27 is offline
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Mein Auto: Ml350
X5 5.0i with M sport and M perf package....I average 16.9 mpg and half is highway at 70mph. Running 65mph highway it averages 24mpg.....ths is with 19" run flats. Wonder if regular tires will improve mileage.
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  #17  
Old 01-29-2013, 12:00 PM
brown370 brown370 is offline
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Mein Auto: 07 BMW X5 4.8i
I just drove from Atlanta to Dallas averaging about 65 MPH, using cruise control when possible and I could not get better that 18.5 MPG in my 4.8i.
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