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  #11  
Old 07-08-2008, 10:24 AM
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http://www.worldcarfans.com/9080708....rbo-v8-from-x6
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  #12  
Old 07-08-2008, 10:32 AM
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You do not need a bigger engine to have more power. What about the Porsche GT2 engine, 3.6 liter flat-6 turbo that produces 530 hp while maintaining 16/23 fuel economy.
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  #13  
Old 07-08-2008, 10:52 AM
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Quote:
Originally Posted by SANguru
not to mention when you only get a crusing range of only 140-150 miles on a tank.. what fun is that?? take it from somebody who's owned one!

Hotness.
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  #14  
Old 07-08-2008, 03:23 PM
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Quote:
Originally Posted by SANguru
not to mention when you only get a crusing range of only 140-150 miles on a tank.. what fun is that?? take it from somebody who's owned one!
Maybe the Cafe limits had a impact?
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  #15  
Old 07-09-2008, 02:17 AM
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The trend to use turbos will likely be here to stay for a while - who doesn't like high power coupled with good fuel economy? But since M motors have always been about high-rev, if they can make a turbo motor that has minimal lag and spins to 8000+ rpm without running out of breath, then I'm all for it.
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  #16  
Old 07-09-2008, 04:21 AM
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True fuel consumption sucks on the M5 for most, but it still is a great car. My M5 is my daily driver and the fuel consumption doesn't bother me especially considering the fuel consumption is about 15% higher than my X5
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  #17  
Old 07-09-2008, 10:48 AM
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Maybe the best path is to go light. Not just a few panels here and there, but real lightness. This is the answer for the future anyway. Weight is the enemy. You can tell by looking at your instant mileage meter every time you meet a 1% grade. The Xs could use some reasonable attempt at reducing wind resistance as well. The MPG difference from 60 to 70 mph is amazing, unfortunately.

In other words, I want it all. And cheap, too...
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  #18  
Old 07-09-2008, 10:55 AM
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I know its a chop, but I'm DWT. I agree though, its not as special if they do something hyundai can do, huge engine, huge displacement. its more "special" or shows more engineering skill if they can get the 500HP out of a <4.0 liter motor. Moreso if they can get the MPG out of the toilet.
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  #19  
Old 07-10-2008, 12:37 AM
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Quote:
Originally Posted by Meiac09
I know its a chop, but I'm DWT. I agree though, its not as special if they do something hyundai can do, huge engine, huge displacement. its more "special" or shows more engineering skill if they can get the 500HP out of a <4.0 liter motor. Moreso if they can get the MPG out of the toilet.
Maybe it is just me, but I need help deciphering that. I agree it is a photoshop (chop), but what does DWT mean apart from Dead Weight Tonnage (marine definition).

And did you just use a toilet analogy for an M Car? The faithful will shoot you Besides, Wagner thinks that 8 - 10 mpg is hotness!

Back to your topic, I do think that there is engineering skill invovled in using a turbo, I don't think it is 'cheating'. There are bad turbo implementations, and good ones. The 3.0 tt gasoline engine is a very refined implementation. Take it up a few (or many) notches in specific output, and you need some real engineering to keep the drivability and reliability intact while simultaneously extracting serious power. As you point out, fuel efficiency is another area that design engineering can be applied to, so that power comes with more reasonable consumption figures.

Finally, an engine discussion. I thought US politics had taken over our board.
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