HID Bulb Base fit for BMW 520 and 530 HID Bulb Base HID Bulb Base fit for BMW 520 and 530 HID Bulb Base:HID HID Bulb Base:HID Bulb Base:Single beam: H1,H3, H4, H4(xenon-halogen), H7, H8, H9, H10, H11, H13, 9004(HB1), 9005, (HB3), 9006(HB4), 9007(HB5), D2S, D2RFlexible bulbs: H4(Hi/Lo), H13(Hi/Lo), 9004(Hi/Lo), H4, 9007(Hi/Lo) Features:* Long life time: 3000 hours;* Lower power consumption: 35W, ...