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      08-15-2012, 09:11 PM   #114
Wedge1967
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Drives: '07 e92 AT Sport Montego Blue
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Guess you don't read much, the N54 was not forged. Vishnu and FFTEC have one pulled down for testing and said it's just a very high quality casting. Regardless, it's one awesome engine!

Quote:
Originally Posted by b33g33 View Post
Well, the next M3 will use a very heavily modified N55 (S55?) because the N54 is ,as you pointed out, close to it's end of life and the N55 is more efficient.

The M division will extensively rework the N55 before they claim it as a 'performance engine'. The fact that the N54 is a forged engine block probably had something to do with it's selection for the 1M.
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