| I am reading another thread where a a fellow with a manual 5-series (similar engine) bolted his transmission with only one dowel present. He and others think it caused a slight mis-alignment (due to slop in bell housing bolt holes ) that caused clutch issues. You should try to find a solution that preserves the dowel in that hole.
I would try the threaded rod with the dowel in place and bolts/washers on either side.
Last edited by Effduration; 07-23-2018 at 07:58 PM.