Forza Motorsport 4 Disc 2

Since the ability to buy and download DLC on Forza Motorsport 4 has been revoked (as the licenses have expired), would buying the full two-disc edition allow for downloading the second disc content, even though the DLC has been removed from the Xbox marketplace? Is the content, in itself, on the second Forza 4 disc? Does anyone know? I appreciate any help.

So I currently have a one-disc version that I purchased from GameStop. In order to obtain the content on the second disc, would I have to buy an entirely new game? It would be a shame but I’m willing to

In the event that I can find myself a complete edition via online purchase or such, the second disk content will be available for download at that point, correct?