No I bought used. The screen you can actually get for $750 new.
You need a display, bezel, module, LVDS cable, and a way to program your BCM like AlfaOBD
I dealt with Kodiakz on that forum. He does the conversions on the GPS modules from the 8.4 to 12.1
Mine 8.4 was non nav so I had to buy the...