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      05-19-2011, 04:32 PM   #48
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Originally Posted by flipmeraz View Post
X3 M
+10 We don't need anymore downward expansion of the M brand.

Originally Posted by mkoesel View Post
Here's my take (whether you want it or not)

Believability: 10%

Why? We already have two turbo V8s - the S63 and N63 - so I don't how it will make a good business case to build yet another one.

Believability: 70%

Why? An "S55" would follow on logically just like the N63->S63 evolution. And I personally think 160hp/L will be very feasibly for M division. Granted, there is still a discrepancy as far as the N55 vs. the N54 forming the basis. When it comes down to it, the primary difference is turbo setup and Valvetronic. But those two will be weighed independently by M either way.

Believeability factor: 25%

Why? While this would make a lot more sense than the turbo'd S65 would, I still don't think BMW will go through with it. They need to play up the greener image that people have of engines with lower cylinder count. Make no mistake, they are going to do all they can to tie the Efficient Dynamics story into the M3 as tightly as possible.

Believability factor: < 1%

Why? I just don't think it makes any sense. As I see it, fitment issues with the V8 as far as an X3 M or Z4 M are due to the turbos, intercoolers, plumbing etc, most likely. If you are going to have to move them no matter what the cylinder count, then you could just as easily relocate them for the V8, and not spend all the money developing a V6 block, crank, cams, heads, not to mention testing all that. And for less displacement, no need to lose cylinders - just destroke/debore the V8.
Nice write up. I'm also skeptical about S65 bi turbo, though that sounds

No to the V6 for sure. I'm not a fan of the N54/N55 either.

And where did all the "NA only" guys go?? now you're all drooling over turbos? I thought it was the S65 or die? I don't mind having a turbo, as throttle response has vastly improved over older turbos, but decreasing redline??

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2008 E92 M3 6MT, AW/Blk Ext., brushed aluminum
2006 E46 M3 ZCP 6MT Carbon blk/blk(sold)
2001 E46 325Xi 5MT Jet Blk/Blk (sold)