CORRECTED AUDI 90 QUATTRO IMSA GTO. The game does not have a suitable engine, so it's r4 old. I changed the engine, the rear beam, the wheels. Has added a forward beam, mufflers. I corrected the vacuum tank, the fuel tank. He added livery. How to install: leave the folder in which it is located in the \ SteamLibrary \ steamapps \ common folder \ Car mechanic simulator 2018 \ cms2018_Data \ StreamingAssets \ Cars