Originally Posted by ozinaldo
My money is on this bet. The next M2 will very probably be a around 350-360 hp (N55) engined car with enough M technical and design cues to make it differ from the rest, a la 1M vs. E82 135i. There is no practical reason why they don't go this way, unless they are already developing a very efficient and special 4 cylinder turbo to be used in cars like M2, Z2 etc. Unless I hear reliable rumours about that speculative engine, I am with BMW86's bet.
I highly doubt the M2 will have more power than our 1Ms. It's harder to extract responsive power from the N55 due to its valvetronic and single turbo configuration. I think they will go the weight reduction route to increase performance. It'll be interesting wait to see what happens.