Quote:
Originally Posted by serrated
I mean I know it has a closed deck block, but other than that, it's just borrowed parts from regular N55 and a few parts from the S55, along with a hotter tune. I think the closed deck was just to handle the hotter stock tune more reliably, so I don't think they wasted much time/money on R&D for the M2's N55.
I would be shocked if they didn't pop a beefed up B58 in future M2's
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Is the N55 a closed deck in the M2? I read this article and did not mention anything about that:
http://www.bmwblog.com/2015/04/21/bm...ed-n55-engine/