Quote:
Originally Posted by PrematureApex
It's well-known that the B series engine in the 240 is more underrated from the factory than the M2's N55. Their actual numbers are right on top of one another. Not a dig on the M2, but a fact that the B58 is very underrated by BMW. Perhaps to protect the M2, as well as the V8 models positioned above it in some lines.
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It's also well known that M2 numbers are underrated. Only dyno runs done back to back on the same machine and same day/conditions can prove that with certainty. In other words, I'll believe the B58 has close to or the same HP when I see it.
The open vs closed deck argument may be settled, but we may have a new contender on our hands!
