A heartfelt thanks to everyone who contributed to this thread.

Here's the latest:

* The deal with the person who was going to sell me the transmission fell through. He simply stopped answering my calls and texts.
* I decided that since the white 240D had a known-good tranny, I instructed the shop to put a new clutch in the beige 240D and then swap the trannys around.

Result: Beige 240D is now smooth, no vibration, no bearing noise. White 240D now has a little bearing noise, but runs just fine, no clutch problems.

Thanks again,

Packman

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83 240D - 4 speed manual - Manilla Beige
189K miles, Tachometer mod, cool wooden shift knob from PeachParts, CocoMats, Original factory paint, manual windows, manual sunroof. Starting to add AudioWrap to this car too!