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X5 F15 (2014 - 2017)
The all new F15 BMW X5 started production August 2013 as a 2014 model year. The new X5 arrives in sDrive35i (RWD), xDrive35i, xDrive50i and a diesel xDrive 35d.

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Old 03-22-2018, 12:51 PM
Milam Milam is offline
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Diesel Fuel Mileage

I have a three week old Diesel 2018 X5

The onboard computer is indicating the mileage since start, is 25.9 mpg.
The other indicator is showing 28.9, since the last fillup.

Are these numbers correct?

I have owned a Diesel MB GL and VW Touareg TDI.
The BMW is a good 5 mpg better that those two vehicles.

Good job BMW
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Old 03-22-2018, 02:10 PM
X5dman X5dman is offline
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I have a Ď15 35d with 43k mi and esp when in eco pro in combination of city/hwy avg 29 mpg. On long Interstate travel am able to achieve 32+ while avg 75-80mph.
35d is a great choice - as long as BMW continues to support the diesel platform.


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Old 03-22-2018, 02:14 PM
Milam Milam is offline
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Thank you

Those are similar numbers, I am seeing.

Great Truck, great engine.

I have leased the truck.
If they continue to support it,
I will buy it at the end of the lease.
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Old 03-22-2018, 02:46 PM
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I repeat this in a lot of threads...be careful of biodiesel and try to get premium diesel or D2 whenever possible....
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Old 03-22-2018, 02:54 PM
Milam Milam is offline
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Me530

Thank you for the advice.

Any other suggestions?

I am good about keeping the Diesel Exhaust Fluid Topped off
I try to fuel it myself.

We put 80,000 miles on our VW Touareg, before it got recalled.
A great vehicle.

But, I am warming up to the X5.

Better mileage than our VW or Mereceds

I traded in a BMW i3.
That was a great car.
Hard to take long distance trips in though.

Last edited by Milam; 03-22-2018 at 07:02 PM.
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Old 03-22-2018, 06:44 PM
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Lennysx5 Lennysx5 is offline
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Just traded a 2015 GL 350 for new X5 35d. Now at 5900 miles. Fuel mileage is 6 mpg better city and 5 mpg better highway. Significant difference........but the X5 is a much lighter car. Love the X5 but she's been in the shop twice in the last two weeks........first with EGR issue and now with vacuum pump issue. Parts are on the way and hopefully repaired for good by Monday. Not a happy camper having to drive a POS X1 loaner. Registered a complaint with BMW N.A. today. Pretty much got lip service.
Just venting here but will keep y'all informed.
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Old 03-22-2018, 06:59 PM
Milam Milam is offline
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My X5 is getting at least 10 mpg better than my Mercedes GL.

Also better than my VW Touareg TDI by 5 mpg.

Excellent.
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Old 03-22-2018, 07:14 PM
Numike89 Numike89 is offline
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I just bought a 2015 X5d two weeks ago, with less than 7000 mikes, I am getting better that 5 miles per gallon than my Acura MDX all wheel drive. I love the X5, question how often do I need to fill the diesel exhaust fluid. I have had VW diesels that did not use it.
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Old 03-22-2018, 07:25 PM
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Quote:
Originally Posted by Numike89 View Post
I just bought a 2015 X5d two weeks ago, with less than 7000 mikes, I am getting better that 5 miles per gallon than my Acura MDX all wheel drive. I love the X5, question how often do I need to fill the diesel exhaust fluid. I have had VW diesels that did not use it.
fill it whenever idrive tells you.

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2006 530i
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2008 335i Coupe 6MT, PCD November 2007
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2014 550i M Sport, European Delivery May 2014


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Old 03-22-2018, 08:04 PM
Milam Milam is offline
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I tend to fill the Exhaust Fluid, every three thousand miles.

If you run out, the engine will not start.

On your VW. There may have been a tank under the spare tire.
The dealer would have checked it for you. Earlier years did not have the fluid.

Be very careful.

The wrong stuff, can ruin the emission control system.

On mine. There are two different tanks under the hood.
The bottles, have a special fitting.
Do not get the fluid on anything, it is corrosive.
Rinse with water.

I would not recommend anything but BMW services.
An oil change place can really screw up things.

I am getting great mpgs. Much better than the Mercedes or the VW.

Good luck
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Old 03-22-2018, 10:37 PM
jjrandorin jjrandorin is offline
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Quote:
Originally Posted by Milam View Post
I tend to fill the Exhaust Fluid, every three thousand miles.

If you run out, the engine will not start.

On your VW. There may have been a tank under the spare tire.
The dealer would have checked it for you. Earlier years did not have the fluid.

Be very careful.

The wrong stuff, can ruin the emission control system.

On mine. There are two different tanks under the hood.
The bottles, have a special fitting.
Do not get the fluid on anything, it is corrosive.
Rinse with water.

I would not recommend anything but BMW services.
An oil change place can really screw up things.

I am getting great mpgs. Much better than the Mercedes or the VW.

Good luck
The BMW will give you a 1k (1000 miles) warning, so its pretty hard to run out. You dont need to fill so often, because it will give you that long before it runs out. Maybe thats different from other diesels you have owned? This is my first diesel (2016 X5D).
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Old 03-23-2018, 02:54 AM
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Doug Huffman Doug Huffman is online now
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The X5d is intended to have DEF replenished at Oil Change Intervals. DEF is NOT corrosive (See the Material Safety Data Sheet.). DEF is a commodity standardized to be purchased as cheaply as possible. DEF does not have a use by date. DEF is bulk stored at OTR fuel stops and dispensed by a pump/nozzle next to the fuel pump.

I expect about 29 mpg on the interstate at 80 mph while clean without bicycles in the air. With bicycles I see low twenties mpg. Cold starts - winter freezing - kills mileage, like one mpg per start.
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Last edited by Doug Huffman; 03-23-2018 at 02:57 AM.
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Old 03-23-2018, 05:02 AM
fleuger99 fleuger99 is offline
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Quote:
Originally Posted by Milam View Post
I have a three week old Diesel 2018 X5

The onboard computer is indicating the mileage since start, is 25.9 mpg.
The other indicator is showing 28.9, since the last fillup.

Are these numbers correct?

I have owned a Diesel MB GL and VW Touareg TDI.
The BMW is a good 5 mpg better that those two vehicles.

Good job BMW
I think on-board computers are usually a little optimistic. The only real way to tell, reset your trip odometer at next fill up and drive and use up that tank. Then fill up again and devide the miles from the trip odometer by the amount of fuel you just needed to fill up and that will give you 100% accurate fuel consumption numbers.
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Old 03-23-2018, 05:15 AM
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Doug Huffman Doug Huffman is online now
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The fuel mileage associated with the BC display of range to fuel required uses recent mileage, maybe the last 50 Km. The best long term mileage calculation is by comparing odometer mileage with each fuel purchase.
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Scepticism and Animal Faith (1923)
Scepticism is the chastity of the intellect, and it is shameful to surrender it too soon or to the first comer: there is nobility in preserving it coolly and proudly through long youth, until at last, in the ripeness of instinct and discretion, it can be safely exchanged for fidelity and happiness.
(The Works of George Santayana p. 65)

Eschew eristical argumentation. I am responsible for what I write, not for your understanding of it.
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Old 03-23-2018, 05:25 AM
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Lennysx5 Lennysx5 is offline
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Quote:
Originally Posted by fleuger99 View Post
I think on-board computers are usually a little optimistic. The only real way to tell, reset your trip odometer at next fill up and drive and use up that tank. Then fill up again and devide the miles from the trip odometer by the amount of fuel you just needed to fill up and that will give you 100% accurate fuel consumption numbers.
I always use the old fashioned method of measuring mpg. Divide miles driven by gallons pumped. And when you add up the diesel's increased mpg plus the fact that diesel is 20c per gallon less than premium.......it's worth the extra $1,000 to buy the X5 35d. Not to mention the diesel torque and overall performance. Our 16k to 18k annual miles are 70% highway where the mpg is at its best.
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Old 03-23-2018, 06:08 PM
KES328 KES328 is offline
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In mixed driving I get 26mph based on miles / gallons. All highway 30 plus. The 500+ miles per tank and torque make the X5d worth it. I really donít care to much about the mpg. It is good enough.
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Old 03-23-2018, 06:11 PM
Milam Milam is offline
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KES328

I am having similar number.

Excellent

The mileage is better than I hoped for.
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Old 03-23-2018, 07:12 PM
MarekBMW MarekBMW is offline
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Here is my MPG driving around Houston.
http://www.fuelly.com/car/bmw/x5/2015/marekbmw/450876
Oil change every 5-7k, DEF fluid refilled every oil change (walmart brand or dealership), BG244/245 every other oil change.
When refiling Def start from passenger side and move to driver side second (reserve tank). I have 62k miles on it and love to drive it more than wife's 740.
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Old 03-24-2018, 07:54 AM
allenclme allenclme is offline
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X5 35d mileage

I've had my 2014 since day 1, and I'm now at 45k miles. I drive mainly highway commutes and average 33-34 mpg with the Pirelli Summer p-zeros and when I switch to the Nokian winter tires, I get 35.5 pretty consistently. Strange that the softer winter tires get better mileage but that's what I get. The worst mileage has been 30 but that's driving 80 mph on a long trip.
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