The texture will be more grainy and pleasant on the exterior. It should be noted that the texture will remain the standard, but they will have a more accurate portrayal. In order for the textures to work, you need to specify special command, which activates detailed textures.
Command for activation of detailed textures:
"r_detailtextures 1" — without the quotes (the command written in the console).
The maps which are detailed textures: