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      02-22-2016, 10:22 AM   #45
gIzzE
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Maybe the auto 'box is cleverer than most drivers hence why the economy is now better, however, if hypermiling maybe a manual 'box can still win?

I really don't know, but I would love to know what BUZE would get on that same journey with the same spec car but with an auto 'box.
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      02-23-2016, 02:50 AM   #46
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I'm pretty sure I'm not 'hypermiling' really, I don't have the patience for that! However, I try to be 'smooth' and not just on the throttle. I think most drivers don't know how to take corners, and that involves a lot of braking/accelerating.

I often see it on smaller road, you follow a 'zippy' car that does 80 in the straights, but you just catch him again at the next set of corners. Drives them crazy to be caught up by a truck ;-)

But yes, I'd be curious to see how the auto box can do any better. I'll know in a couple of years, as I'll very likely upgrade to a 3.0d, when the new model is released...
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      02-23-2016, 08:14 AM   #47
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Quote:
Originally Posted by buze View Post
But yes, I'd be curious to see how the auto box can do any better. I'll know in a couple of years, as I'll very likely upgrade to a 3.0d, when the new model is released...
Obviously it is software driven, with the algorithm keeping the engine in the RPM/loading range to keep it at its most efficient. For sure I think if you drive like daisy you should be able to do as well as the auto box whilst on a motorway.

Naturally you will not be able to do any comparison when the new model is released, because the next generation will have more efficient hardware/software. I do not think there will be a chance of getting better with a newer 3 litre engine vs the older 2 litre engine. But there again we might all be surprised.

There might not even be a 3 litre diesel in the next X3!

As a matter of interest, when I first purchased the car, over one tank full, I did average over 45 mpg, but that was driving in eco mode in my socks.
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      02-27-2016, 09:35 AM   #48
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sdrive experience

My first real drive of my recent 2014 sdrive (manual) purchase so I took it easy, setting cruise to 60 mph. About 120 miles round the M25/M23 to Gatwick and back for an early saturday morning and computer says 60.1 mpg.... By comparison I often see 60+ from my 2007 120D driven within the 70 limit. I doubt I will ever see 60 again from the X3 but it is possible.
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      02-28-2016, 03:34 AM   #49
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Quote:
Originally Posted by poiuytre111 View Post
My first real drive of my recent 2014 sdrive (manual) purchase so I took it easy, setting cruise to 60 mph. About 120 miles round the M25/M23 to Gatwick and back for an early saturday morning and computer says 60.1 mpg.... By comparison I often see 60+ from my 2007 120D driven within the 70 limit. I doubt I will ever see 60 again from the X3 but it is possible.
Enjoy your new purchase. Don't see many sdrive's about! A good concept the rear wheel drive only version - especially in the South of England where snow is few and far between.
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      02-28-2016, 09:53 AM   #50
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[QUOTE=gIzzE;19400800]This was the instructions I posted before....

[b]Calibrate BMW MPG

/QUOTE]

I'll give this a try. It is generally about 2 mpg above the actual calculated value.

Overall, over 24,000 miles, the mpg is marginally above the 30mpg average the US estimates for the mileage. I suspect, though, that I've driven more highway mileage than the EPA uses for their calculations, since I seem to average about 26 in town, and 33-34 on the highway.
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      02-28-2016, 11:55 AM   #51
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[QUOTE=kevink1;19474658]
Quote:
Originally Posted by gIzzE View Post
This was the instructions I posted before....

[b]Calibrate BMW MPG

/QUOTE]


I'll give this a try. It is generally about 2 mpg above the actual calculated value.

Overall, over 24,000 miles, the mpg is marginally above the 30mpg average the US estimates for the mileage. I suspect, though, that I've driven more highway mileage than the EPA uses for their calculations, since I seem to average about 26 in town, and 33-34 on the highway.
kevink1
But first you need to use a tool such http://www.fuelly.com/ to find out your actual fuel consumption,

Last edited by Peter_R; 02-28-2016 at 12:09 PM..
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      02-28-2016, 12:29 PM   #52
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Controlled Test

Quote:
Originally Posted by zalagan View Post
Thanks Smithy very helpful
Can I ask how many miles your X3 has done and do you use ordinary diesel?
I would suggest a controlled test. Start with a warm engine, put the car in Eco, Cruise Control at about 63 mph. reset the readings for consumption and speed, and go down a motorway for about 10-20 minutes without touching the accelerator nor the brake. Choose a place where its level, or do a round trip. Let us know what you get. With this info, you can convince your servicing dealer if there is a problem. Otherwise, they will just assume you have a heavy foot. Let us know how you make out.

My X3 28d, the 2 liter, would do about 40 mpg US gal. This should be equivalent to 50 mpg Imperial. Your larger engine may vary.

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      02-28-2016, 12:50 PM   #53
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[QUOTE=Peter_R;19475176]
Quote:
Originally Posted by kevink1 View Post

kevink1
But first you need to use a tool such http://www.fuelly.com/ to find out your actual fuel consumption,
I've used MS Excel for this. Ever since I bought the car, I've averaged 30.670/gallon. Last tank, 28.934/gal (vs 31.4 according to the car's computer).
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      02-28-2016, 03:19 PM   #54
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[QUOTE=kevink1;19475434]
Quote:
Originally Posted by Peter_R View Post

I've used MS Excel for this. Ever since I bought the car, I've averaged 30.670/gallon. Last tank, 28.934/gal (vs 31.4 according to the car's computer).
The computer is giving you a very accurate figure then. Well within the margin of error. If it were me, I would leave it as it is.
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      03-09-2016, 04:38 PM   #55
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[QUOTE=Peter_R;19476090]
Quote:
Originally Posted by kevink1 View Post

The computer is giving you a very accurate figure then. Well within the margin of error. If it were me, I would leave it as it is.
First fill up after adjusting my computer. Not statistically significant yet, sample of 1.

315 miles, computer told me I did 31.4 mpg. Excel 31.02.
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      03-13-2016, 11:14 AM   #56
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Hi guys, my x3 28i after 280 miles is giving me Just 15mpg according to computer i have done 1.5 full fuel-ups and driving on eco-pro what should i do? Keep driving for another fuel up and if this keeps like that take IT to the dealer?
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      03-13-2016, 03:07 PM   #57
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Quote:
Originally Posted by sergiot View Post
Hi guys, my x3 28i after 280 miles is giving me Just 15mpg according to computer i have done 1.5 full fuel-ups and driving on eco-pro what should i do? Keep driving for another fuel up and if this keeps like that take IT to the dealer?
What is the mileage calculated manually? That is what you should be trusting. From fill up to fill up.

And is this in stop and go traffic? Or any highway driving?

My first tank was pretty poor after I bought the car. Not that bad, but it is a diesel and highway miles home. I wonder whether the tank wasn't completely full when I picked it up.
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      03-13-2016, 08:25 PM   #58
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Quote:
Originally Posted by kevink1 View Post
What is the mileage calculated manually? That is what you should be trusting. From fill up to fill up.

And is this in stop and go traffic? Or any highway driving?

My first tank was pretty poor after I bought the car. Not that bad, but it is a diesel and highway miles home. I wonder whether the tank wasn't completely full when I picked it up.
half highway 1 130 miles trip the rest on the city with a lot of stop and go traffic (Lima Traffic which is top 10 worst according to some article).

i'm using 97 gasoline
that was computer readings, i downloaded fuelio to check mileage on this tank and see what happends.
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      03-14-2016, 12:46 AM   #59
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Quote:
Originally Posted by Pinewood View Post
Have only had my x30d for 3 weeks so far, and it's averaging 33mpg in urban and central London driving. Big test come this weekend when I'll be leaving the South Bucks area for the Midlands and then Manchester.
My plan is to drive at a consistent speed of around 80mph in comfort mode and at least 1/2 a tank of regular diesel.
So far I'm happy with 33mpg as my old E60 530d would give around 31mpg.
This brute is bigger,heavier,yet faster!
This extended trip returned 36.2 mpg with 3 occupants + luggage. Very pleased with that.
I have also seen the London legs of my commute increase from 33mpg to 34.8 as the x3 reaches 5000 miles. Maybe the engine loosening up a bit, or my new driving style now i'm in a 4 x 4.
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      03-14-2016, 07:37 AM   #60
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Quote:
Originally Posted by Pinewood View Post
This extended trip returned 36.2 mpg with 3 occupants + luggage. Very pleased with that.
I have also seen the London legs of my commute increase from 33mpg to 34.8 as the x3 reaches 5000 miles. Maybe the engine loosening up a bit, or my new driving style now i'm in a 4 x 4.
Made a 200 km trip to our cabin this weekend with wifey and two teenagers on wet and snowy roads and got 44,8 mpg (UK).
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