If you already own the expansion or the Premium Edition, you can download it through these official channels:
Forza Horizon 5: Hot Wheels is a that can be purchased individually or as part of the Premium Edition and Expansion Bundle. Official Download and Access Methods Download Forza Horizon 5 Hot Wheels-P2P
: Using P2P versions (often labeled "C-P2P") can lead to significant stability issues, such as crashes, and generally prevents you from using official online features like the Festival Playlist or multiplayer. If you already own the expansion or the
Are you having the expansion in your library, or How to access hot wheels bundle in Forza 5? - Facebook such as crashes
Once installed, you cannot access the content immediately until you meet certain in-game requirements: