Quote:
Originally Posted by M3Post
Normal for an S65 motor with stock valve covers. Overtime the valve cover paint "dissolves" and separates from the magnesium valve covers. You can also see it on the outer surface around and near the filler neck. The oil filter catches the flaking (melting) paint though I'm sure the rod bearings probably don't like it. We've all got it to some extent or other. Part of the ownership experience.
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OK. I can see this image on ebay showing the same colour internally:
Do I really need to spend $1000 to replace or is this just cosmetic?