Well - Ecuflash link for latest beta is above.
Rom is here:
https://dl.dropboxusercontent.com/u/...13ZA1JB01C.hex.
Tactrix OP2 can be purchased here:
http://www.tactrix.com/index.php?opt...id=6&Itemid=53
Then open the rom in Ecuflash, connect laptop to OP2 which is connected to OBD2 port, and flash. Done.