1. E90 HID bulb holder, base, adaptor 2. BMWe90 xenon bulb adaptor 3. plug and play, easy installation 4. reliable qualily ... , plug and play1. This adaptor/ holder/ base/ socket is designed to work with BMWe90 xenon bulb.2. This adaptors are designed with ... for BMW-cars, Odyssey, Jetta, Mazada, Opel, etc. BMWE90 HID bulb holder