How much money do you have to spend on it?
quick and easy mods, new intake with high flow filters and new exhaust, the exhaust manifolds off the E39 M5 should be a bolt on for that engine.
get M5 LSD & Wokke chip ! no need nothing else trust !
Looking for a Used 8 Series in your area?
CarGurus has 33 nationwide 8 Series listings and the tools to find you a great deal.
Search BMW 8 Series Questions
BMW 8 Series Experts