DLC on a JTAG/RGH console must be placed in a specific directory on the internal hard drive ( Hdd1 ) for the game to recognize it.
: Hdd1:\Content\0000000000000000\545407D8\00000002\ Bioshock GOTY [Jtag/RGH DLC]
00000002 : This specific subfolder is reserved for . 3. Transfer and Unlocking DLC on a JTAG/RGH console must be placed
: To ensure the console runs the DLC without a retail license, you must use a tool like XM360 to "unlock" the content. Launch XM360 on your console. Select Scan DLC . Bioshock GOTY [Jtag/RGH DLC]