Board Thread:Game Discussion/@comment-2600:1700:C250:9DC0:C8A6:D6B6:90F4:C2FC-20180703002725/@comment-172.74.166.183-20180703163250

CSF is still locked for me but Endurance Legends is unlocked. I own the Porche and Audi not the Toyota and had Edurance Kings unlocked so I think you're safe to update and not lose the farming race if you already had EK unlocked.