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      02-25-2011, 10:30 AM   #32

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Drives: E90 M3
Join Date: Mar 2005
Location: USA

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Originally Posted by Lenaxia View Post
Out of curiosity, what are the consequences of overfilling the oil? Obviously never tried it myself so dunno what it would do.
If you overfill the crankcase with oil, it may allow the moving parts (crankshaft) to foam the oil up (when the oil is whipped and mixed with air) and create air bubbles. Air bubbles in the oil may lead to inadequate lubrication of the engine because of the reduced amount of oil getting to friction parts. This all leads to potential damaged engine parts if the overfill is for a long enough period or use.
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