Originally Posted by ridinrims330ci
hey everyone im new to this kinda thing so i could use some help... so i just recently purchased a 2004 330ci coupe convertible... i need to know what shuld i put in it to make it faster better performance even though it runs great also i need to need what percent tint i shuld get? any suggestions???
Well, two basic do it yourself mods you can do is a cold air intake and performance chip. Also i'd go with 20% tint, that's what i have on mine.