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      05-26-2011, 02:26 PM   #77
Mako
2000 M Roadster (sold), 2006 M Coupe (sold)
 
Drives: '12 X3 35i M Spt '13 335 M Spt
Join Date: Jul 2009
Location: Chicago

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Quote:
Originally Posted by SamS View Post
Quote:
BMW X3M - 2013

Groundbreaking debut for new M developed engine which will spread across other models.
This must mean N55 variant, which will of course go in the F32 M3. Sounds pretty concrete at this point.
According to leftlanenews it will be a new inline 6 3.2L with twin turbos plus an electric turbo to eliminate lag. So 430hp and 450torque in a lighter engine than the current V8... And mileage will probably be over 20 mpg combined which is amazing for that kind of power. We know the current N54 can do 370 HP with a few modes, now a little bigger engine with bigger turbos (which would be the reason for the electric turbo and eliminating lag with it) should easily be able to produce 430hp and be stable.

Last edited by Mako; 05-26-2011 at 02:31 PM.
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