Thread: Brown coloured residue inside oil fill / rocker cover?
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      12-01-2018, 05:18 PM   #15
Dr. Dre
the doctor
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Drives: E46 M3 Alpine White
Join Date: Dec 2008
Location: CA, Bay Area

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I've seen a lot of cars with sludge. Sludge looks more like molasses. Sludge never accumulate on the valve cover. It usually in the valve train.
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