SYLVANIA D3S HID High Intensity Discharge Bulb, (Contains 1 Bulb) See Sylvanias Application Guide in the Technical Details below to confirm compatibility HID lighting is light from a plasma discharge rather than a filament HID uses less energy than halogen lighting, while producing 3 times more light Light lasts up to 3 times longer than conventional halogen technology OEM (Original Equipment Manufacturer) precision and quality for consistent performance Compatible with existing D3S headlamp optics