How to replace the HID headlights
 

Hello

I would like to replace the front headlight bulbs, as the existing ones start becoming old, I have a kind of pink color when they switch ON and then goes slowly to a white-yellow color.
So i would like to replace those bulbs

But I don't know how to do.

is there any How to do file or procedure?

I have a XJL from end 2010

Thank you in advance.

You'll have to remove the bumper in order to remove the headlight assemblies. That's the only way to get access.