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Old 11-28-2012, 01:43 PM
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tturedraider tturedraider is offline
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Location: Chicago, Edgewater (via Tennessee & Texas)
Join Date: Nov 2005
Posts: 19,424
Mein Auto: '06 Sonora/Beige 330i :-)
Originally Posted by justinnum1 View Post
I dont think anyone really believes the 528 gets better mpg than the 328, especially when the 528 is 400lbs heavier.
No, I don't believe that. But, you wanted facts so I posted BMW's own EPA numbers. The bigger point is the small difference between the N20 numbers and the N55 numbers. That's one of the main reasons I maintain BMW could have done just as well with a smaller displacement turbo inline six if they had wanted to.

Another issue that I'll mention, but won't go with any further is that a four cylinder motor works harder than a six cylinder motor to make the same power. A 2.0 liter six would experience less stress than the 2.0 liter four making the same power.

Present - '06 E90 330i sport; Past - '04 E46 ZHP, '00 E46 328i
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Last edited by tturedraider; 11-28-2012 at 01:55 PM.
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