After installing lowering springs, one of the steps below can be used to adjust the range of the headlights. It is necessasary even when the headlight Installation with Warning Canceller / Anti-Flicker. Connect the D3S/R Xenon HID bulb to the ballast. Connect the D3S/R Xenon HID plug to the warning canceller. Connect the warning canceller to the ballast. Insert and secure the D3S/R Xenon HID bulb into the assembly. Connect the D3S/R Xenon HID plug to the vehicle's OEM factory harness. Learn about the functionality of the adaptive headlights of your BMW.Still have questions? Call our BMW Genius Hotline at 1.844.4GENIUS (443-6487)Available M Features BentleyPublishers' MINI Cooper 2007-2011 Repair Manual (ER56, R55, R57) - http://www.bentleypublishers.com/c/BM13How to replace the Xenon headlight Xenon headlights have a ballast to ignite the high voltage xenon lights when they turn on that can remain energized even if the lights are turned off. Be sure to disconnect the headlight assembly or battery before attempting to replace it. If your RX350 has a HID headlight burnt out, it could be a burnt out bulb or failed headlight ballast. Procedure to install OEM HID xenon headlights on VW Jetta TDI or similar mk5 car. Remove the front bumper. See 1000q: how to remove the front bumper on VW Jetta for details. Unclip the headlight plugs and remove the headlights. Many VW plugs are released by pressing on a tab. Xenon headlights have a ballast to ignite the high voltage xenon lights when they turn on that can remain energized even if the lights are turned off. Be sure to disconnect the headlight assembly or battery before attempting to replace it. If your RX400h has a HID headlight burnt out, it could be a burnt out bulb or failed headlight ballast. Xenon headlights have a ballast to ignite the high voltage xenon lights when they turn on that can remain energized even if the lights are turned off. Be sure to disconnect the headlight assembly or battery before attempting to replace it. If your Escalade has a HID headlight burnt out, it could be a burnt out bulb or failed headlight ballast. Xenon headlights have a ballast to ignite the high voltage xenon lights when they turn on that can remain energized even if the lights are turned off. Be sure to disconnect the headlight assembly or battery before attempting to replace it. If your CR-V has a HID headlight burnt out, it could be a burnt out bulb or failed headlight ballast. The hood and fenders are the same. If I keep the eos I am going to do the light swap. Will keep you guys updated! Using new parts from the dealer would cost around $3k, but used can be done much cheaper! Hardest part seems to be the wiring layout was changed on the facelift headlights. WfaZO.