Readme included. Important!!! If You have installed a previous Version of the Porsche Bi-Turbo Cup except V2.99 or v3x, or V4, You must remove the "BiturboPorsche996" Folder from the rFactorGameDataVehicles Folder first!!! Delete all the "Biturbo
Version 5.1 of the 911 Bi-Turbo 4WD Cup.