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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > Drop in MPG



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      01-17-2013, 01:07 PM   #1
scottishpete
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Drop in MPG

Only do like 100 miles max a week and drive mostly in town
last year i was getting 32mpg on average,but over last 6 months its been 26mpg on average

08 325s m sport auto 22k on clock

Should it drop this much?
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      01-17-2013, 02:12 PM   #2
A_P
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26mpg driving in town sounds about right.
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      01-17-2013, 03:17 PM   #3
coopersim
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Could be your thermostat possibly? Maybe have a look to see what it's getting up to in the hidden menu.

I do quite a bit of town driving, check my Fuelly sig \/ as I have a 325d auto too

Just checked, and even my high % town driving I still maintain ~30 mpg, so you might have a problem.
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      01-17-2013, 05:33 PM   #4
xPETEZx
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32mpg out of a 325d?

I get that out of my 325i, surely you should be getting higher?

I do more m-way tho, probably 60/40
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      01-17-2013, 06:02 PM   #5
HighlandPete
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Definitely check the ECT from the hidden menu. Thermostat issues and running low ECT is very common cause of mpg drop off in the diesel models.

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      01-17-2013, 06:25 PM   #6
gIzzE
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I did 130 miles today before my car got to temperature.

The cold weather makes a huge difference.
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      01-18-2013, 03:39 AM   #7
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Im getting 19-22mpg driving in London and mines a 325i e90!
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      01-18-2013, 04:28 AM   #8
scottishpete
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someone want to explain this hidden menu?
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      01-18-2013, 04:40 AM   #9
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Hi All,

I'm not spending enough time on this forum but thought I would give my two pennies worth.

I return an average of 22 to 23 mpg in town, which increases significantly on A roads and motorways to anywhere between 32mpg upto 40mpg.

After doing 800 miles from new, I even had a competition with a good friend of mine with a 320D M Sport Touring (2009 or MY 2010) - he managed 61.0mpg and I managed 61.3mpg (I must have had tail winds and somebody pushing me).
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      01-18-2013, 09:26 AM   #10
Statler
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Quote:
Originally Posted by scottishpete View Post
someone want to explain this hidden menu?
See here:

http://www.e90post.com/forums/showpo...1&postcount=13

S
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      01-18-2013, 05:00 PM   #11
scottishpete
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I tried to get the temp in hidden menu but cant find it
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      01-18-2013, 05:12 PM   #12
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youve got to unlock the menu first from menu 19 i think? (its the sum of the last 5 digits on your vin)
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