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      11-01-2012, 05:10 PM   #23
lbjgh
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How 'bout we all use litres/100kms so we can compare apples to apples?

My car is getting 10.3L/100kms now... What's that? 22.x mpg us or 27.x imp. Mpg.
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      11-01-2012, 06:37 PM   #24
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Quote:
Originally Posted by sfax View Post

Might try and repeat this with different diesel but not the most scientific of tests!
Trying to get really world MPG is very difficult. During the week I make a number a short journeys, and that kills mpg. i.e. cold engine and short trip.
Out of interest/'fun' I occasionally try to get the best MPG possible, by driving like an undertaker in Eco mode. I can get 45+ Mpg by being very careful.
BUT! What's the point driving an SUV ... SPORTS Utility Vehicle, and fannying around trying to save a few quid on diesel. I spend so much on the car finance each month that the MPG does not make a significant dent on the overall cost. If I was commuting 20,000+ miles a year I would probably be driving a different car.

PS is fannying a rude word in the USA?
http://www.urbandictionary.com/defin...nnying%20about
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      11-02-2012, 01:39 AM   #25
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Quote:
Originally Posted by philtrick123 View Post
Trying to get really world MPG is very difficult. During the week I make a number a short journeys, and that kills mpg. i.e. cold engine and short trip.
Out of interest/'fun' I occasionally try to get the best MPG possible, by driving like an undertaker in Eco mode. I can get 45+ Mpg by being very careful.
BUT! What's the point driving an SUV ... SPORTS Utility Vehicle, and fannying around trying to save a few quid on diesel. I spend so much on the car finance each month that the MPG does not make a significant dent on the overall cost. If I was commuting 20,000+ miles a year I would probably be driving a different car.

PS is fannying a rude word in the USA?
http://www.urbandictionary.com/defin...nnying%20about
Agree and generally I don't drive very conservatively as is shown by my average which is about 32mpg (although this is adversely affected by lots of short trips) BUT it's a useful marker when selecting a cruise speed when covering long motorway distances IMO. To put it into context:

200 mile trip @ 70mph takes 2 hours 51 minutes and costs 29 (at 1.45/l)
200 mile trip @ 90mph takes 2 hours 13 minutes and costs 39 (at 1.45/l)

Save 38 minutes, pay 10 extra. You decide.

Re. fannying around, there is no fannying around if you're using cruise control.

Re. fannying and our friends across the pond, they won't be offended as they sit on their fannies *

* not all of the time, I hasten to add....
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      11-02-2012, 01:45 AM   #26
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Quote:
Originally Posted by lbjgh View Post
How 'bout we all use litres/100kms so we can compare apples to apples?
That's crazy talk. I am 6'3" tall and don't know how tall i am in cm. I weigh 99kg but no idea in stone, and yet I know the exact lbs and ounces of both of my sons (one is only 2 weeks old ). I buy meat at the supermarket in grams, drinks in pubs in pints, milk in litres. All of our road signs are in miles but I run 30km a week but don't know how far that is in miles.

I could go on...
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      11-02-2012, 11:13 AM   #27
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My best so far has been 32.7 mpg but then I only have 5K on it - and I was trying for good mileage using eco pro and cruise.
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      11-17-2012, 05:20 PM   #28
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Quote:
Originally Posted by troggy1969 View Post
Just curious to see what numbers other members get from their X3's (mine is a 3.0D).

Had a longist drive and got the following numbers. The journey was a cold start some town driving (Hereford down the A49 which is slow) then about 50/50 A roads and motorway, wasn't in a real hurry so stayed just about legal.

1st check 22miles in from cold - 50.2 mpg @ 43.8 mph = Eff of 94
2nd check at the end 338 miles - 45.4 mpg @ 60.8 mph

I did fill the tank at the end and the number looked about right.
Did some testing on a slow drive back from Gatwick Airport today, a 4 mile section was down to a constant 50mph. So I reset the computer and set the cruise control to 50 mph for the 4 miles. Ended up getting 53mpg (with empty car, but large top box and roof bars). Compared with 70mph drive to Gatwick at ~37mpg (Full car, full top box).
Good economy, with power when required.
So upcoming drive to France= 1500 mile round trip
50mph @ 53 mpg= 28.3 Imp Gal = 128.5 litres = 180 (1.40p diesel litre)
70mph @ 37 mpg= 40.5 Imp Gal = 183.9 litres = 257

BUT it's 30 hours driving Vs 21.4 hours.
I'll end up driving at 85mph
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      04-08-2013, 08:44 PM   #29
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Hi all,

I am approaching the end of my first full tank in the X3 20d and thought I would post my observations regarding economy.....

Eco-pro the whole time and climate in auto set to 22C. With mainly stop/start city driving at upto 60km/h and some freeway driving up to 100km/h, the car achieved 6.8L/100km average.

According to the on-board computer info I am on target to get about 960kms from this tank (without sucking the tank dry). As an experiment, I am super happy with the results, can't wait to see what it does on a long drive on the open road.
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      04-09-2013, 02:28 AM   #30
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Efficiency (and perceived power) of the engine seems to go up pretty sharply in the first 2k miles or so. I'm reaching 2.5k miles, and my average commute (mostly slow m25) was 46mpg. But then I decided I had enough bedding in the engine and I'm playing with sport mode ;-)
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      04-09-2013, 04:18 AM   #31
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Quote:
Originally Posted by Midwest X6 View Post
1). You blokes in the UK need to learn to spell efficiency

2). You blokes in the UK are damn lucky to have the diesel choices you do


3) Clean your dashboard and the iDrive screen regularly?!?

4) Use kilometers and litres which are SI standard units!
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      04-09-2013, 07:40 AM   #32
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500 Miles on my 3.0d and MPG showing as 34.5 - mostly short journeys. Troggy1969 - how many miles do you have on your car? Just wondered how much my MPG will improve.
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      04-09-2013, 07:49 AM   #33
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Quote:
Originally Posted by Snowman73 View Post
500 Miles on my 3.0d and MPG showing as 34.5 - mostly short journeys. Troggy1969 - how many miles do you have on your car? Just wondered how much my MPG will improve.
It probably won't improve much because of this. Diesels take a while to become efficient after the engine has started. In fact you're sometimes better off in a petrol if you mostly make many short trips. Mine is about 32mpg average because of the wife making lots of short trips and has 20,000 miles on it.

If I drive like Miss Daisy on the motorway I can still get 50mpg
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      04-09-2013, 07:56 AM   #34
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hehe, I missed this post but you are so right... although I prefer my weight in kg as it sounds much better.

Many of our road allowances are 20m or 66ft or one chain or four rods...

Quote:
Originally Posted by sfax View Post
That's crazy talk. I am 6'3" tall and don't know how tall i am in cm. I weigh 99kg but no idea in stone, and yet I know the exact lbs and ounces of both of my sons (one is only 2 weeks old ). I buy meat at the supermarket in grams, drinks in pubs in pints, milk in litres. All of our road signs are in miles but I run 30km a week but don't know how far that is in miles.

I could go on...
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      04-09-2013, 10:01 AM   #35
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Do you all just report consumption you have on the iDrive or do you calculate it by using real consumption on the gas station and GPS mileage?

My imaginary best average consumption with full tank was 5,70 l/100km and 51km/h.

However, using the real consumed gasoline and real traveled distance the average consumption was 6,16 l/100km.

I have noticed that on summer tyres I have to add about 0,4 l/100km to the iDrive consumption and with winter tyres even more, to get the real consumption.

My imaginary best average consumption with reasonable distance (30 km suburban drive with intersections and traffic and traffic lights) was 4,7 l/100km.

I have 2.0d with manual gearbox.
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      04-09-2013, 12:00 PM   #36
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This morning's road trip netted 7.3 L/100 (2hr drive using cruise @ 90-110km/h)
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      04-09-2013, 01:18 PM   #37
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I have managed 40mpg on my 3.0d, but its mostly around the 35-37 mark. I did around 220 miles on the w/e at 33mpg, 67mph average speed.
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      04-09-2013, 03:53 PM   #38
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Just been out for a drive in my 3.0d M-sport - only did a short five miles on the motorway and averaged 49.4 MPG from cold in ECO mode. I reset the trip computer mid way through the drive and it was registering 54.3MPG at one point and settled at 52.4 MPG. Its 2.0C here so very cold so not bad. I have only had the car a week and it has done 484 miles so far.

Yes - short trips around town really do make a difference! Not bad though for a car this size.
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      04-10-2013, 01:23 AM   #39
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Average of 28.5mpg in over 4,000 miles in my 30D. Mixed driving with lots of short journeys included. Very good IMHO for a 'brick' that accelerates well!
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      04-10-2013, 03:17 AM   #40
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My figures match sfax - we did 1000 miles at 70mph and got 40mpg, which give that included a 130mph burst on an autobahn we were very pleased.
We try and sit around 80mph to get the near 40mph on our runs up the M5.
Have never got over 45mpg (done on a 90min run at 70mph) - will try the 60mph figures if I can be patient..lol
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      04-10-2013, 04:39 AM   #41
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You can easily match the official combined mpg that BMW advertise as follows:

1. Replace yourself (the driver) with a jockey weighing no more than 8 stone and kick out all other pasengers
2. Remove every option, in particular the heavy ones
3. Replace wheels and tyres with the 17" non-RFT low rolling resistance tyres. Don't carry a spare
4. Have 1/4 tank of fuel or less, switch off aircon, close all windows and sunroof
5. Drive like Miss Daisy (ask the jockey to drive like Miss Daisy if you're not a jockey)
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      04-10-2013, 04:45 AM   #42
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Quote:
Originally Posted by sfax View Post
You can easily match the official combined mpg that BMW advertise as follows:

1. Replace yourself (the driver) with a jockey weighing no more than 8 stone and kick out all other pasengers
2. Remove every option, in particular the heavy ones
3. Replace wheels and tyres with the 17" non-RFT low rolling resistance tyres. Don't carry a spare
4. Have 1/4 tank of fuel or less, switch off aircon, close all windows and sunroof
5. Drive like Miss Daisy (ask the jockey to drive like Miss Daisy if you're not a jockey)
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      04-10-2013, 06:09 AM   #43
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Always driving downhill helps a lot too. That and always trying to have the wind at the back of the car.
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      04-11-2013, 07:03 AM   #44
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I thought the high MPG figures BMW quote were just there so you can persuade your wife that a three litre car was a good idea.......
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