Dishonored2 .bimage7

[Gigabait]

I not found a script for extract this file format.
Sample : http://www51.zippyshare.com/v/NM38f3Qi/file.html

upd: i use dishonored2.bms for "bimage7" format and get :

and ? how to open "loading_boat_curator_is_unpack.bimage7" ?