Because .rar files from third-party modding sites can occasionally bundle unwanted software or "adware" in their installers, it is recommended to:
If this is a reputable mod, the 1.1 update usually includes: : Levels of Detail to prevent game lag. Audi RS6 avant Widebody Version 1.1.rar
: 1.1 (Suggests an update from an initial release, likely fixing textures, physics, or lighting) Because