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More Bad News? (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Jim T on December 16, 2000 at 14:31:08:

Trying to track down my disappearing coolant, I had a sample of my oil tested and these were some of the results:
Low / High Sample
Tin 0.0 / 25 468ppm
Sodium 0.0 / 75 811ppm
Boron 0.0 / 20 200ppm

Gasol.% 0.0 / 6.0 1.30
Water% 0.0 / 0.3 1.86
Glycol% 0.0 / 0.3 1.23

Since the water and glycol are high, I am thinking that I have a leaking head gasket. Is there any other way that this much water and glycol can get in my oil? Anyone have any experience with the tin, sodium and boron content being high? Are these bearing materials? All the other metals including chromium, lead, silicon and copper are well within normal range. The sample was taken from oil that I had in the motor when I ran Techron through, so it was potentially polluted from that.



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