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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > doesnt make sense



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      07-24-2012, 09:52 AM   #1
magic77
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doesnt make sense

Did a quick mpg test on the way home today.

From Tumbridge Wells to Camberley basiclly 90% motorway middle of the day 30C air temp.

FIlled up tull with shell vpower diesel full to first click (been on vpower or utlimate for last 9 tanks), drove home about 62miles most on cruise at gps corrected 70mph.

Got home filled up straight away and car only barely took 2literes. About 4 clicks. Fuel gauge was not even moving.

THats aprox 130mpg if only

Now I know 320D are efficient but not like this. Only thing I can find of is the first pump clicked later than it should have. Otherwise cant think of another reason.

Still made be chuckle a the fuelly graph when I entered it
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      07-24-2012, 11:04 AM   #2
Kerr
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You are not going to get remotely accurate results over such short distances using that method.

It could be as simple as a slight slope on the garage forecourt causing the petrol to sit further back in the tank not allowing quite as much to be put in.
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      07-24-2012, 11:13 AM   #3
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Fuel in tank expanded due to heat, so less need in the second fill?
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      07-24-2012, 02:28 PM   #4
magic77
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it had to be head as hot day still one way to skew your fuelly chart
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      07-25-2012, 03:53 AM   #5
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I'd be happy with 25% of that figure haha!
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