No problem, the xml warm is pretty rare as not many made iirc back to 2012. Wish you luck on your quest, but if fails your light will still be same as stock. Gunga's work is perfect(tbh, he will spend more time tweaking for perfection). Just with a name like nichia, one may prefer a nichia
ps- Mike did a 219c 5000k swap for me a bit back, changed the light from random use just because or for the sake of using, to enjoying. Of course some gunga glow(if you choose)
Something else to think about, the older xml will not be as frugal on mah as newer nichia flavours.
Either way again, good luck and another bump