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      02-15-2019, 04:12 PM   #23
x3sm
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Drives: M3 E93 Porsche
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Quote:
Originally Posted by doru View Post
Clean everything BEFORE taking apart.
I use a washgun to clean well that area, than I wipe off with a rag. As soon as I disassemble, I stuff clean paper towel, then I take my time. Never had a problem. Did 2 N52 and a N54. In the past did 2 M54's as well.
All that crud WILL fall off when taking the oil filter housing off. And the way it's positioned, you don't even see what's going on behind it, where most the stuff is piled up. Very easy to miss and screw up a perfectly fine engine.
Oh, are you saying the grime around the outside of the housing? I would probably just remove the manifold clean it all up around and than remove the housing.

Couple of more questions. Do you need to add coolant afterwards since coolant pipe is removed, if so about how much? Also what happens to the oil in the housing, will it spill out when detached from the block?

Thanks
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