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      10-12-2018, 11:06 AM   #36
blueh88
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Drives: 2006 330d M Sport Auto
Join Date: May 2016
Location: Manchester

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Just took apart the breather and all seems to be in good working order. Whoever says it's just an empty box is wrong - it has a rubber diaphragm in it which deflects dependent on positive/negative pressure within the crankcase and separates the oil. I'm not sure how effective this is compared to the others though.
Thinking of the worst, it must be something within the engine which must be causing excessive pressure and hence causing more oil than normal to pass through....dunno just thinking out loud.
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