Hid bulb adaptor: 1. We are the factory produce hid bulb adaptor, which let europe cars like bmw, audi, mercedes benz, volvo, opel, vw could install with hid xenon kit. 2. Some cars types has special lamp bases that make normal mounting on bulbs Difficultly, we produce special bulb adaptors to facilitate bulb mounting on these special cars types. No extra job, simple mounting, easy, quick and reliable. 4. Our hid xenon kit has quite good reputation in many country, with stalbe quality, quick delivery, satisfying warranty service and full important accessory, which let you enjoy hid xenon kit. White packing, oem packing or neutral packing, according to customer