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      12-23-2012, 07:58 PM   #5
gaza01
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Drives: E92 335i
Join Date: Dec 2010
Location: London

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Its most likely condensation. Do you do a lot of short journeys where the car doesn't get up to temperature?...means any moisture that collects in the oil stays in it until the car is run at operating temperature at which point it boils off.