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      07-20-2018, 07:53 AM   #16
deansbimmer
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Drives: 2011 E93 M3
Join Date: Nov 2014
Location: DFW, Texas

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Crankcase pressures are higher during high rpm/wot conditions as more combustion pressure leaks past the rings than during light operation. It's to be expected that there will be more oil consumption during those conditions, plus leaks if the seals are not 100%.
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