Originally Posted by agent_e36
whats "DIY" mean?
Do it Yourself. Basically a DIY is a step-by-step guide (usually with pics) about how to do a mod yourself on your car, so you don't have to take it in to the shop.
For example I made a DIY on installing M3 mirrors (which I will eventually find time to convert over to this site btw, lol, right now all the pics have "bmw-forums" taglines at the bottom)