Quote:
Originally Posted by acl26
Car was running on 91 WA state gas at a 76 station. Not Canadian fuel.
Car was running on dealership motor oil, so that is also something to think about in terms or possible relations to super knocking.
I have seen articles of older gen BMWs (even Mini's) getting a super knocking code but none showed it with hard driving.
Anyways, all I am saying is that this is a rare case of super knocking under hard driving conditions and ended up blowing a piston(with IMO, pretty common mods). We don't really know much about this phenomenon of super knocking, especially in this engine, so there could be other factors and that could range beyond just the gas and octane. Just saying.
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How long was this super knocking going on for? Sometimes when a tuned engine goes it's as simple as a bad tank of gas.