Quote:
Originally Posted by 2022M550i
I would imagine they're bending rods as a result of detonation. Knock sensors sense the detonation, but the damage has already been done.
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It can be detonation, but also torque related, especially low down torque which needs to be managed i.e. rolling into at low rpm in a higher gear. This can also cause detonation.
https://f90.bimmerpost.com/forums/sh....php?t=1835262
RKTunes (US) and Evolve (UK) have rods that will allow you to go higher (1000hp+ for Evolve).