What is the difference between these and how do I know if I have xenon or halogen? : r/e39
Facelift Halogen to Xenon upgrade : r/e39
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anyone make a e90 halogen to xenon conversion harness? - BMW 3-Series (E90 E92) Forum
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BMW 5 E39 facelift 00-03 bi-xenon HID light upgrade kit for halogen he
H7 CANBUS Term 35W HID XENON CONVERSION KIT BMW E46 E39 E60 E61 X5 E70 E53 ERROR | eBay