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| 06-13-2009, 01:54 PM | #1 |
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efficiency dynamics
just to check if bm desserves its reputation..
my consumption is 8.5l/100km , at 140 km/h on motorway, around 15l for city consumption...23i |
| 06-13-2009, 03:26 PM | #2 |
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Colonel
 
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Drives: 2009 Z4 sDrive 23i
Join Date: Oct 2005
Location: Glasgow, Scotland, UK
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Mostly around town driving, my OBC is showing 30.7 mpg. I'm happy with that!
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E89 Z4 sDrive 23i... for the more discerning driver
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| 06-14-2009, 04:40 AM | #3 |
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freude am fahren ....scheiden freude...
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my 30i: 10.3l/100kms....50%town and 50% around Como lake(so speed is from 50 to 90 km/h where there's not speed detectors)
Francesco from Italy |
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| 06-14-2009, 04:50 AM | #4 |
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You can see my values here:
http://www.spritmonitor.de/en/detail/331331.html Basically my 23i needs about 8.4 liters on average. Some trips have been with high speed driving (240 km/h) for a short distance. Most trips were mainly highway and country roads, little in-town riding. |
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| 06-15-2009, 04:00 PM | #6 | |
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Drives: Z4 sDrive35i
Join Date: Mar 2009
Location: Antwerp
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Quote:
didn't know the N54 was capable of > 7k rpm ;-)
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| 06-16-2009, 02:19 AM | #7 |
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freude am fahren ....scheiden freude...
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for reference...
I did fuel after 1 km the reserve light went on.I did exactly 40 liters because the pump of the station was starting to cut out every single drop of petrol... then today the light went on again, 420kms...so 10.5km/l..... not bad!really pleased..... |
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| 06-25-2009, 03:04 AM | #8 |
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mm well; find it very difficult, even driving in eco-mode
 to reach less than 16.l / 100 for city drive, for daily 8 km, cold engine, at 20 km/h average speed... -(Last edited by patrice03; 06-26-2009 at 02:34 PM.. |
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| 06-26-2009, 02:37 PM | #9 | |
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Quote:
impressed by your table.. suspect you just set cruise control for such low values.. i also see that you changed oil after 5000, is this recommendation from dealer, ? thought not anymore necessary according to various dealers (even my porsche  ) |
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| 06-29-2009, 04:06 AM | #10 | |
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| 06-29-2009, 05:00 AM | #11 | |
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Quote:
However, I sometimes need to travel to Germany for business purposes and I then enjoy riding fast if traffic permits. I changed the oil based on my own decision. BMW does not recommend or require it. I even had to pay for it privately since it is not covered by the BMW "included service". When I was at the garage however, the people working on the car all agreed that (even though it is not recommended by BMW) it cannot hurt since the first regular oil exchange is at 30'000 km. Since I drive my cars for 6 to 8 years with 45'000 km per year I see this as an investment into the long term durability of my car's engine. |
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