Philips 85415XVC1 D1S C1 Xtreme Vision Bulb Compatible replacement for all HID/Xenon headlights accepting "D1S" bulbs 2000 hour lifespan lasts 6-10 years under average daily use Just shy of 5000K and north of an OEM 4300K, these will offer you a perfectly white light output Meets and exceeds OE specifications for measured luminosity and reliability