Quote:
Originally Posted by PrematureApex
You read all the press releases...so how could you honestly think that?
They specifically pointed out that this "N55" had a new closed deck block, a forged crank, upgraded pistons, etc. They literally drafted marketing material for the purpose of distinguishing the M2's engine from the regular N55. They made sure to put people's minds at ease that this wasn't a standard N55.
And...for some reason...you think they left out a larger turbo? Either accidentally or intentionally?
How does that make any sense?
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It makes a lot of sense to me.. I think BMW isn't into releasing proprietary info.
I DO think there is a new turbo and here is why..
- there is reference to a redesigned manifold/turbo
sounds like a new location/turbo to me
- dyno curves
Did you see the difference in the N54B30TO and N55B30TO dyno curves?
The new motor makes a TON more power at 6500 rpm and is still making power where the N54 has already given up... It looks like it really fully pulls to 7000.... I don't think that's just tuning and beefed up internals..
- everyone doubts BMW M... and they always find a way to throw down a trump card.
As you mentioned.... there is a lot of work done to the M2 motor.... and I can't see keeping the same snail when so much else has changed from the regular N55 - this is BMW M..