Quote:
Originally Posted by dmboone25
The N55 0T0 (aka, the M2's N55) had some significant internal upgrades - which allow it to make more power and reliably so. I'm sure the car is under rated like the M3/4.
The N55 in the 235 had the PPK flash from BMW. No internal upgrades. That engine can't make more than 365 horsepower reliably without significant upgrades.
Dackel posted a great thread about it a while back.
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There is a forged crank on Mx35i N55, not on regular N55.