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      07-16-2013, 08:56 AM   #38
WallieX5
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Quote:
Originally Posted by Uli_HH View Post
For the engine now more than one source in germany quotes "more than 3.0ltr" as its common sence hear ... one source says 3.3ltr. aka 3.296ccm !!!

Also nearly all source in germany at this time says "6-Zylinder-Turbomotor".
I think the engine size will be bigger than 3L if the horsepower is 450 except BMW is doing something extraordinary with the engine which seems unlikely given its price point.

911Turbo 520HP/3.8L = 139 HP/L
911Turbo S 560HP/3.8L = 147 HP/L

If the M3 is comparable to the Turbo S then 3.0L engine will give 441 HP
But if more comparable to the Turbo then 3.0 = 417 HP

However, if the engine size is 3.3 then HP will fall between 458 and 485. Whatever the engine size, I think the output per liter will be more comparable to the 911 Turbo than the Turbo S.

In conclusion
If HP is 450 then engine size is 3.3L
If engine size is 3.0L then HP is 417 HP
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