Most luxury vehicles with factory HID headlights come with D1S Osram OEM D1S 66140. When it comes to the D1S HID Xenon headlight bulb, no competitors can match the quality of the Osram D1S 66140 HID Xenon bulb. Osram Xenarc D1S 66140 HID Xenon bulb is made in Germany and offers a great combination of brightness (Approx. 3200lm), color temperature (Up to 4300K), and longevity (Approx. 2,500 hours). Osram D1S 66140 HID Xenon 4300k bulb offers the original quality light performance of a new car. The quality of the Osram D1S 66140 HID Xenon bulb is endorsed by all major car manufacturers and used in their cars or trucks.