Most of the aftermarket headlights you see usually have two major features. One being a projector headlight, because most cars don't come equipped from the factory with projectors, they usually just have regular reflective headlights. And two, most aftermarket headlight have what are called "Halos" or "Angel Eyes". This feature is very popular because of it gives regular cars a very distinctive look. This feature can only be found on most high end BMW's.
Important Information on Proper Installation
