Hey guy, I also meant to ask. What is the purpose of that bulbous object that covers the globe in what I can only presume to be the Low/High beam H7 unit.

How does it work and how in gods name does it shine any damn light down the road when all it has is a halogen bulb in it?


I understand projector lenses are special shaped reflectors that refract the light through a clear glass by means of the angles of the backing relection plate/lens. I had them on other cars and you could certainly improve or destroy the light just by changing the K rating. But this I don't understand at all
Jeff