Here is a parts list and DIY for the floor mounted shifter I built for my e30. It is similar to the Bimmerworld race shifter or the AKG stage 2 shifter (not as pretty, but also not nearly as expensive).     Parts list: Spherical bearing: FK bearing WSSX12T, x1 Bearing weld cup: FK bearing CPW12, x1 Bronze Bushings: McMaster 5448T5, x2 1/2x13 Coupling Nut: McMaster 90264A485, x1 High Misalignment Spacers: 3/4" to 1/2", x1 pair 1/2x13 stainless nut