A facelift usually refers to a minor change in the exterior look of the car without significantly changing the chassis. BMW usually does facelift after 3 years in every model's 7 year lifetime.
In these videos, I tell you how to do it at home. I will give you an in debth look, tell the history about the different BMW series. And the needed items, paint, suggestions for the facelifting process. It won't cost you much, I will tell it why. It also gives your car a better, fresher look, but it is up to your taste.