I ran across this site while looking for something else.

They say that this is an inert non-petroleum based synthetic that will last for the lifetime of a gasser and 50K for Diesels, which must use the slightly less efficient "universal" type oil.

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Semibodacious Transmogrifications a Specialty

1990 300D 2.5 Turbo sedan 171K (Rudolf)
1985 300D Turbo TD Wagon 219K (Remuda)

"Time flies like and arrow, yet fruit flies like a banana"
---Marx (Groucho)