dude take if from me don't rebuild that motor i did mine this summer and well it was way to expensive just for the old 4 cyclinder m10 engine. if i was you i would take a 325is motor and rebuild that and do the swap . cause rebuilding the engine cost me like 5 grand that is with labor and parts
1995 VOLVO 850 Turbo
1986 Chev Camaro Z28 running 250 horse with just a stock motor and open air filter carbed.