'92 500e with 68k miles is leaking fluid from the right side of the car about half way between right rear wheel to center of car. It is definitely not gas, and it is a low viscosity fluid - is it from self level or what? Any clues?

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1992 Black 500e
1991 Black 300te 4m
1992 Black Renntech 620sl
1979 Porsche 911sc targa