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Hello all, I am in the process of doing a major engine refresh on my 325ci that has almost 190k miles. I have disassembled the oil filter housing which was caked in a black oily carbon residue from some leak (probably the oil pan since that has keep dripping since lifting the car up). Nonetheless, after cleaning, I discovered some nicks on the mating surface of the housing. I read in another recent thread that an experienced member here suggested resurfacing the mating surface with emery cloth as warping will be inevitable. Is this necessary for my housing?
I have attached a couple pictures showing the nicks on the mating surface. Additionally, are the score marks where the gasket sits anything to worry about? I want to make sure this crucial component does not leak when I put it back together. Thank you
I have attached a couple pictures showing the nicks on the mating surface. Additionally, are the score marks where the gasket sits anything to worry about? I want to make sure this crucial component does not leak when I put it back together. Thank you