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Old 10-31-2012, 05:17 PM   #2
Registered User
Join Date: Dec 2011
Location: Sussex, England
Posts: 89
My Ride: E46 318 coupe
Do you do short trips each day or long motor way, if short trips (like me) you will get a small build up of gunk in the oil cap, give it a long run every now and then, its to do with the heating and recooling of the engine and as it sucks in cool air when the engine is turned off and moisture, a short journey will not burn off excess moisture and so eventually you get the white gunk build up.
Must stop looking at my own car........
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