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      03-03-2008, 10:30 PM   #19
rvacha
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Drives: '08 E92 M3
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Quote:
Originally Posted by T Bone View Post
Very nice (and I mean it).....

But at risk of not seeing the forest for the trees..... How much better fuel economy would you get with these measures by your estimation? Also starting with the electric water pump, what is the extra load on the electrical system?
It's very small. As I said in another post here this is a game of fractional percentages. Each technology gains very little, but cumulatively they all add up. BER is a yawner on it own, but when you throw in all the other stuff, the total gain is significant. This is why BMW speaks of "Efficient Dynamics" (the total package deal) and won't spend much time speaking of "BER"
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