When doing an oil change today I thought I saw a little metal particle in the old oil. Wanted to be sure, so I opened the old oil filter and rolled out the filtering paper. In the whole outside part of the filter I saw small metal particles. With a little magnet I went over and collected most of this debris. Smeared it all together to get an idea how much it was. I drove with this oil and filter about 4000km.
Where does it comes from and what can be the cause ?


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Last edited by Laurens; 25/08/21 09:50 PM.
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