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Sure, that engine "may" have failed due to LSPI, but that in no way means the B58 is prone to LSPI issues/damage. When an engine is famous for a particular failure, it's very easy to find on Google. Example: Subaru STi and ringland failures.
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I agree. I did not mean to imply that it is famous for that particular failure.
The question is....whether most boosted GDI engines have a propensity of LSPI events or just very small displacement engines. From what i can find it's more a matter of high cylinder pressure combined with direct gas injection, now there may likely be a threshold (or not) where the frequency of those events occur depend upon amount of boost or turbo psi combined with engine compression that results in a condition favorable for LSPI. Have not seen any studies on that.