If you want a perfect, bit-for-bit replica of the original disc (including all partitions and filler), a standard "redump" ISO is the only choice for preservation.
Forza Motorsport (2005) pushed the Xbox to its absolute limits. It featured: forza motorsport xiso better
Xemu | How to convert xbe folders to xISO files | Xbox emulator If you want a perfect, bit-for-bit replica of