File Name: Battlefield 3 Checksum Fixer File Submitter: EyesOnly File Submitted: 11 Jun 2013 File Category: Xbox360 Modding Tools Simple check-sum fixer for Battlefield 3 campaign saves (PROF_SAVE). You must extract the save from the CON before running though the tool. Usage: bf3crc.exe Apparently this game has hard coded max limits for values so when editing don't go crazy, only increment them a bit at a time. Hidden Content: You must reply before you can see the hidden data contained here.