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      10-31-2021, 06:53 AM   #32
1320racer
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Drives: 2013 BMW F10 M5
Join Date: Oct 2017
Location: Maryland

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Any advice from anyone would be warmly received!

Not totally sure of the root cause of the failure, but oil went by the rings in at least cylinder #2.

Guessing….? Maybe fuel injector for cylinder #2 failed open and hydro locked the cylinder.?.?.?. I was not pushing the engine excessively when the failure happened. I’ve read some remote instances of this, but actually believe my shop would have noticed immediately if gas was in the oil. There’s been no mention of that thus far.

My shop is waiting to hear back from my warranty company regarding tear down to determine the root cause of the failure. My shop unfortunately does not rebuild this particular engine but has done engine swaps.

Any advice from anyone would be warmly received!
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Current:2021 Mazda MX5, 2013 BMW M5 Tuning Tech Stage 1, 2013 Buick Encore, 2013 Chevy Traverse LTZ

Past: 2002 Jeep Grand Cherokee, 2014 BMW 550i MSport, 2005 Jaguar S-Type R, 2000 BMW 540i, 1997 BMW 540i, 1997 WS6 Pontiac Firebird, 1992 Eagle Talon TSI
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