You need the Bernese Alps AI + track boundaries https://www.racedepartment.com/downloads/bernese-alps-ai-track-boundaries.25482/
If you don't have it, install Camtool app: https://www.racedepartment.com/downloads/camtool-2.15062/
Extract the my zip file here:
\SteamLibrary\steamapps\common\assettocorsa\apps\python\CamTool_2\data
Then load the file in the app:
If you don't have it, install Camtool app: https://www.racedepartment.com/downloads/camtool-2.15062/
Extract the my zip file here:
\SteamLibrary\steamapps\common\assettocorsa\apps\python\CamTool_2\data
Then load the file in the app: