No. Download the newest version from here.
http://www.xbmc4xbox.org.uk/forum/viewt ... ?f=9&t=781. Unzip this file onto your PC, remember where you put it.
On your xbox use a different dash such as UnleashX or EvoX for a moment.
On your xbox, find the IP address.
Use an FTP client program to access your xbox from your PC. (Filezilla, flashFXP are examples)
On your xbox, find where you have XBMC currently. Delete that folder.
FTP the new XBMC folder that you unzipped earlier from your PC to the xbox. Place it in the EXACT spot where your old XBMC was.
Call it done.