Quote:
Originally Posted by switlikbob
Where did you get this info regarding forged internals?
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The M2's N55 does have forged internals but its a carry-over from the M235i N55 built.
The M2 N55 has unique pistons and an aluminum oil pan/suction from the S55, a turbo from a 335i and a electric blowoff valve from the N20.
https://www.bimmerpost.com/goodiesfo...l-training.pdf
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