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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #51  
Old 08-12-2005, 04:27 AM
nv nv is offline
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Location: Ottawa
 
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Mein Auto: '02 325xiT
Quote:
Originally Posted by Adventure Rider
Exactly. The measures fuel consumed for the digital MPG guage, why can't it do the same to the analog guage?
I'm certain that is does do the same for the analog guage.
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  #52  
Old 08-12-2005, 06:36 AM
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cwsqbm cwsqbm is offline
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Mein Auto: ED'd 330Ci / E30 325i
Quote:
Originally Posted by Adventure Rider
Exactly. The measures fuel consumed for the digital MPG guage, why can't it do the same to the analog guage?

It is not a vacuum guage, although much of the time it can seem that it is acting like one. A vacuum guage won't change with speed while rolling down a hill with the car in neutral - it would stay steady.
For the "its a vacuum gauge" crowd, I have one final question: if you are sitting still and you floor the car in neutral, would a vacuum gauge move at all? The mileage gauge in my BMW doesn't.
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  #53  
Old 08-12-2005, 07:16 AM
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yamato yamato is offline
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Location: North America
 
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my vote: it is not a vacuum gauge.

It is easier to estimate dm/dt (or dV/dt) and ds/dt digitally, and turn these info in MPG.
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  #54  
Old 08-12-2005, 08:55 AM
Coasterman Coasterman is offline
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Location: England
 
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Mein Auto: 2001 330ci
I suppose all this talk about mpg. is relative. Here in the U.K there is the increasing possibility of fuel prices rising to 1 pound a litre, thats $6.50 a gallon!

I personally wouldn't worry too much about your gas/miles, I don't and I'm not what you would call cash rich, my philosophy is just enjoy and worry about the bank manager later
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  #55  
Old 08-12-2005, 11:58 AM
Adventure Rider Adventure Rider is offline
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Quote:
Originally Posted by nv
I'm certain that is does do the same for the analog guage.
I am sure also - my question was rhetorical.
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