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Jake Casson 
Groupie
Joined: 01-April-2006
Status: Offline
Points: 81
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 Posted: 29-April-2006 at 05:49 |
I get around 20 mpg out my 535is man, 80 litre tank only does 320 miles if driving it easy, then mpg will go down to low teens when pushed.
Try different fuels, some people say their bmws run better and with better mpg on Optimax, Ultimal and other supers.......
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http://i31.photobucket.com/albums/c377/cassonbm/cars007.jpg
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e34-520iSE
Really Senior Member I
Joined: 22-December-2003
Location: Gateshead, UK
Status: Offline
Points: 453
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Posted: 24-April-2006 at 07:13 |
That's not good - that's excellent!! 
Cheers,
Shaun
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Self confessed madman
1990 Brilliantrot 2 ltr M20.
Air force definition of explosives: A loud noise followed by the sudden going away of what was once there a second ago.
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faulknera
Groupie
Joined: 16-February-2006
Status: Offline
Points: 43
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Posted: 24-April-2006 at 07:08 |
I went to france and back the other month. £55 to fill the tank to the top and total round trip was just under 500miles. did it all on 1 tank. i thought that was good.
Speed around 80 - 85MPH
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e34-520iSE
Really Senior Member I
Joined: 22-December-2003
Location: Gateshead, UK
Status: Offline
Points: 453
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Posted: 24-April-2006 at 06:51 |
 martin528 wrote:
Does anybody else find thats their 528 does more mpg at 80 mph than at
60mph..on a private test track abviously. MY E39 is about 5mpg better
at higher speed
Martin
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My 520 is much better on fuel at 80-85 than at 50. 28mpg compared to
18-20. Odd? Yes! Can someone explain this? Or is the A1 turning into
the Bermuda Triangle?
Cheers,
Shaun
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Self confessed madman
1990 Brilliantrot 2 ltr M20.
Air force definition of explosives: A loud noise followed by the sudden going away of what was once there a second ago.
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Exharper
Really Senior Member I
Dont let the misses drive it!!
Joined: 19-January-2005
Location: Sawley, Long Eaton
Status: Offline
Points: 444
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Posted: 23-April-2006 at 16:56 |
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I cant understand why a car would be more economical when the engine revs are higher, surely to be getting optimum efficiency from an engine you need to be doing 57 mph. My 523 does another 7-8mpg when doing 65 as appose to 80!....
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Beemer dan 523i SE 1997 (184K) Canyon Rot Red, auto. 330 CI Msport Convertible, blue 51K.
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martin528
Groupie
Joined: 27-September-2005
Location: Hinckley
Status: Offline
Points: 67
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Posted: 23-April-2006 at 16:39 |
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Does anybody else find thats their 528 does more mpg at 80 mph than at
60mph..on a private test track abviously. MY E39 is about 5mpg better
at higher speed
Martin
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Triumph Speed Triple 2006, and E39 528i SE...not bad for a 26 year old!
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Mick525i
Bavarian-Board Contributor
Joined: 29-November-2005
Location: Dublin Ireland.
Status: Offline
Points: 1823
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Posted: 23-April-2006 at 16:09 |
My 2000 523 runs at ana ave of 22mpg. No matter how I drive it. Its an Auto BTW.
And yes its much better over 4K rpm 
Mick
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Cheers
Mick 
BMW E21 318 1980
BMW E39 525i 2002 MTech
VW Golf Gti 2003
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Stone-IslandV8
Really Senior Member II
Joined: 31-January-2003
Location: North Somerset
Status: Offline
Points: 3015
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Posted: 23-April-2006 at 15:44 |
Of course it doesnt help if your tyres are all underinflated!! 
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Crombers
Senior Member I
Joined: 09-April-2006
Location: Glasgow
Status: Offline
Points: 114
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Posted: 23-April-2006 at 09:04 |
I had a play with the steptronic box on the 4.4V8 when I first bought it and provided you drove sensibly then i feel it was slightly more economical than using sports mode.
Bit tedious for continual use though.
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 Alpina B7 E65 Facelift Alpina B10 V8 Touring (Sold)
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525 Dan
Newbie
Joined: 11-April-2006
Status: Offline
Points: 13
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Posted: 23-April-2006 at 06:35 |
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The car is december 93 so would this be vanos or not,the autocar test sounds about right,I bought and sold an E30 316 lux touring last month and it was a nice drive,however the tin worm had started on most panels so it wasnt one to keep.
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AndyS
Really Senior Member II
The Last of the Few
Joined: 21-August-2003
Location: 55 � North
Status: Offline
Points: 1365
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Posted: 23-April-2006 at 06:17 |
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Autocar test of a 525i SE manual Touring in April 1992 recorded 20.8mpg overall on test with a best of 25.8mpg.
Govt tests claimed 20.9 urban, 37.7 @56mph & 30.7 @75mph.
They also noted that it lacked bottom end punch although this would have been a pre-vanos engine so later cars would be a little better.
My E30 316 Touring (manual) is similarly thirsty for it's size & power. Around 28mpg commuting with 33mpg @75mph on a motorway isn't very good for a 1600 but it is a heavy car so requires low gearing to cope. It's surprisingly spritely to drive & with restraint I've had nearly 37mpg out of it.
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AndyS Live each day as if it's your last - one day it will be. 
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525 Dan
Newbie
Joined: 11-April-2006
Status: Offline
Points: 13
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Posted: 23-April-2006 at 06:00 |
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I was going to buy a v8 touring but I dont think my wallet could handle a v8 daily driver,I heard the six cylinder cars were good on fuel which made me sway towards one.I once had a 2.9 4x4 sierra which only did 15 round town during winter and it was slower than the bmw
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Stone-IslandV8
Really Senior Member II
Joined: 31-January-2003
Location: North Somerset
Status: Offline
Points: 3015
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Posted: 23-April-2006 at 05:43 |
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Ouch....never any real way to work it out but to gauge for yourself.
I estimated 22mpg using 'D' on my country work route, this seems to have gone to about 24 using 'S' with the odd manual foot-to-floor overtaking manoevour.
To give a comp I worked out the old 520 manual did 360 miles to about £65 of fuel so that gave circa 26mpg!!
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525 Dan
Newbie
Joined: 11-April-2006
Status: Offline
Points: 13
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Posted: 23-April-2006 at 05:20 |
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The yank does single figures round town,but its very fast and loud
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Stone-IslandV8
Really Senior Member II
Joined: 31-January-2003
Location: North Somerset
Status: Offline
Points: 3015
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Posted: 23-April-2006 at 04:40 |
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Where you start to lose it is that its too easy to start using the tip/.manual rather than just keeping it in S.
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523 iAN
Really Senior Member II
Joined: 17-September-2005
Location: close to Loch Lomond
Status: Offline
Points: 1258
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Posted: 23-April-2006 at 04:25 |
Thank's  Stone-IslandV8, i'll have to give it a try.... well once i know how much fuel i'm using in "D" mode??
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2003-530i SE
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Stone-IslandV8
Really Senior Member II
Joined: 31-January-2003
Location: North Somerset
Status: Offline
Points: 3015
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Posted: 23-April-2006 at 04:16 |
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Yes,better.
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523 iAN
Really Senior Member II
Joined: 17-September-2005
Location: close to Loch Lomond
Status: Offline
Points: 1258
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Posted: 23-April-2006 at 04:12 |
Stone-IslandV8 wrote:
.Get better return in mpg in manual or sports mode.
John |
(one for Auto-owner's)
this is something i often wonder about, does anyone find a diffrence with fuel when using triptronic shift about town and on twisty + hilly road's rather than just leaving it in "D"?  better or worse fuel use?
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2003-530i SE
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Stone-IslandV8
Really Senior Member II
Joined: 31-January-2003
Location: North Somerset
Status: Offline
Points: 3015
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Posted: 23-April-2006 at 03:13 |
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I just bought shares in BP lets put it that way.!!
3.5l V8 plus 20 mile trip to work down twisty windy up & down country lanes doesnt help either.Get better return in mpg in manual or sports mode.
John
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525 Dan
Newbie
Joined: 11-April-2006
Status: Offline
Points: 13
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Posted: 22-April-2006 at 18:19 |
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Ill just add that ive also got a 5.9 v8 american muscle car on a four barrel carb which drinks petrol beyond belief,so i have some idea what you v8 people feel like
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MPG
