I went and looked at a couple Diesels yesterday. One was an NA 300D that had some blow by that was whitish in color, not that much but I noticed it, I then proceeded to check out a turbo 300D that also had blow by but it was blue, and about the same amount as the NA motor. I wonder if some is OK or not?

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1981 300TD
2005 C55
2004 E500
1999 ML430
1992 400E
1998 C43
2001 SL500
1988 300SEL
1986 190E 16V
1991 190E 2.6