REM Backflush

HI GURUS,

I have craeted production version (MOD1)and done product cost collecter ,also complete mfbf (rem -backflush).

My new requirement is,

i have changes bom item and in rate routing i have changes some opeartios and activity types which assigned to MOD1 prod.version.

Now i want do product cost collecter amd mfbf transition with MOD1 version with new changes,can i do .

is it possible....