Thanks, Clapton. I found the Bar's Leaks at the local auto supply. I had no idea that stuff has been around since the 1940's...but then so has the store owner. Radiator, WP, thermostat, timing belt, water wetter are all on the way.
I'm assuming that the aux fan R&R is a hugh PITA. This will make it worth it.
Dodging the tumbleweeds...and roadrunners...and coyotes...but not the rattlesnakes.
1993 325iC Pure stock, uh, except for the MOMO Cobra shift knob.