Guessing front seal went. I have a slight oil leak at the front. I have no fan shroud or viscus fan installed which is why I probably noticed it. The crank pulley has a small pool of oil sitting in it. Safe to assume front crank seal? I dont see anywhere else the oil could be coming from.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car