If you were to convert it, the video game that uses the file would no longer recognize the archive, which means the contents of the BSA file (the models, sounds, etc.) wouldn't be used in the game.
Ọ bụrụ na ị ga-agbanwe ya, egwuregwu vidio nke na-eji faịlụ ahụ agaghịzi achọpụta ebe nchekwa ahụ, nke pụtara na ọdịnaya BSA (ụdị, ụda, wdg) agaghị eji ya.