im looking to get a little more out of my old 91 318i. ive allready changed the coils to a hot wound set from bav autosport. im totaly out my element with a gas motor,diesels are more my thing.
a few ideas i had was dumping the stock air box for a tuned alumunium tube ,injectors & rail,pump and regulator. what do you think and what do you recomend?