HID Base 1)Low electricity consumption 2)Long life-span ... Adapter, HID xenon adaptor, HID bulb Adpater, Xenon bulb base, HID Socket, HID Bulb Holder, HID Lamp HolderDetailed Product ... Description HID Base 1. Application: .Used on BMW, Benz and Audi ... is for some car, these cars have special lamp base that make normal mounting on bulbs difficult. So use ...