The 911_Biturbo_4WD_Patch_V5__2.7z file you have requested: Modifications / 911 Biturbo 4 Wheel Cup / 911_Biturbo_4WD_Patch_V5__2.7z - 26.25mb is not available. Perhaps try browsing all files for the game rFactor and upload any files you want to share or are missing. This is the only information we could locate:
Update for the 911 Bi-Turbo 4WD Cup.Install Patch:
Press 911_Biturbo_4WD_Patch_V5_1_to_V5_2.exe for install the Version V5.2. Please select in the next Window the Install-Path, recommended Your rFactor Folder. Here is a patch that takes 911 Bi-Turbo 4WD from v5.1 to v5.2.