Patch 6.0 & later versions are released here by Autoprophet-GF
http://autoprophets.weebly.com/home/unpacked-boot-files-for-project-cars
Unpacked .bff files:
BOOTFLOW.bff
IGPHASEHUD.bff
PHYSICSBOOTFLOW.bff
PHYSICSPERSISTENT.bff
http://autoprophets.weebly.com/home/unpacked-boot-files-for-project-cars
Unpacked .bff files:
BOOTFLOW.bff
IGPHASEHUD.bff
PHYSICSBOOTFLOW.bff
PHYSICSPERSISTENT.bff