Originally Posted by GraphiteGhost
First thing I did for my XF (Back in Oct 09, three months after purchase) was replace the OEM high and low beams with Silverstar Ultras.
H7SU SilverStar Ultra: The brightest and whitest light. Up to 50% brighter, up to 40% more downroad visibility and up to 50% more sideroad visibility
These the model your using?