It could be engine additive drop out OR as people are suggesting, engine wear OR it could be a water emulsion which is also not too bad as the oil did its job.
Test to see if it follows a magnet. If so then you have a reasonable indicator that it is engine wear.
I have some questions:
It could be engine additive drop out OR as people are suggesting, engine wear OR it could be a water emulsion which is also not too bad as the oil did its job.
Test to see if it follows a magnet. If so then you have a reasonable indicator that it is engine wear.