What were the necessary parts to do it in your E30??
I did this in my E36 but I definately would do it in the E30 too.
95 325is-3.2L OBDI, AA CAI, 540MassAir, AA Software, Eibach Pro System Plus, Lightweight Flywheel, X-brace, AC Schnitzer Front Stress Bar, Stage 3 Port-n-Polish head w/3angle valve job, Schrick Cams, 24lbs injectors
89 325ix-ESS Supercharger, Weicher Sport Stress Bar, B+G Lowering Springs, M-Tech Body Kit, 17in Rims