Ok, I think I figured it out.
Custom cross member (maybe a m20 one will work)
M20 Shift linkage
M20 single mass flywheel, PP and Starter (will it hold the power?)
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
02 325i Sedan