8.8" display instead of 6.5

[Makaveli13]

I just got my BMW 2009 X5. And i realized that if you don't get navi u don't get 8.8" display. I saw some on a German e bay

http://cgi.ebay.de/BMW-E70-X5-X6-8-8-CID-BORDMONITOR-Board-Monitor-Screen_W0QQitemZ230337805552QQcmdZViewItemQQptZTechnik_Auto_Hi_Fi_Navigation_Einbau_Navigationssysteme?hash=item230337805552&_trksid=p3286.c0.m14&_trkparms=72%3A1229|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50

So,i am interested if its possible to put 8.8" display instead of 6.5" without any further wiring ? And do somebody have a retrofit manual for it?
Tnx,i appreciate it.