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      09-27-2012, 11:29 PM   #354
mkoesel
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Quote:
Originally Posted by swamp2 View Post
Seriously?

THE only reason for the new engine choice and for there never having been one shred of a possibility of a super or turbo charged S65 is MONEY. The common components of the N55 with the base model will drive the parts cost down tremendously. A super or turbo charged S65 would have been substantially more expensive not less.
swamp, it is important to keep in mind that BMW already has a perfectly suitable turbocharged V8 sitting in the parts bin - the N63tu. Like the N54 used in the 1M, calling this engine into duty for the next M3/M4 would have cost them next to nothing as far as powertrain development is concerned. The engine, in fact, makes ~450hp which is just about what we expect from the "S55".

It is not difficult to deduce, then, contrary to your claim, money is clearly not the primary motivator for M engine choices - at least not for the M3/M4 (it may very well have been for the 1M - in fact I'd guess that it was).
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