Hard to say. With the bore center staying at 91mm there is not much room to go larger. And the cylinder in already over square so increasing that is not likely either. So I would not count on more displacement from M, but it is not out of the realm of possibility.
Quote:
Originally Posted by hector
Will all of the engines, even M ones, necessarily have the 0.5ltr./cyl displacement characteristic of the new architecture or can we expect, for example, a 2.2ltrs. 4 in the M2ers and a 3.3ltrs. 6 in the M3ers(equating to 0.55ltr/cyl.) Is it merely coincidental that these displacement figures have been "thrown around" on this board?
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