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      04-10-2013, 08:18 AM   #30
thekurgan
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Drives: E90M3
Join Date: Aug 2007
Location: Sacramento

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2008 BMW M3  [0.00]
Quote:
Originally Posted by sc1989 View Post
literally just snapped some photos of my cap, same position as your new cap, there is some oil accumulating there as well...also noticed some black dirt like little particles when i had my finger on the actual ring...interesting
Replace it. From those images, your seal has developed a groove that is probably inside of the oil neck. I suspect someone pushed down very hard while turning the cap on or off.
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08 E90M3 6MT Alpinweiss/Carbon/BPMSport 91 octane tune/BPMSport Feature coding/BMW Pedals/Dinan Exhaust/Alcantara Wheel/Rear Fog Switch/Rattle fixes