I don't think you're really supposed to use that view, since I believe you can only access it through the world editor. It may be a new camera view being made, or a scrapped one they forgot to remove.
Make sure you have mods disabled, there was at least one mod that caused that. This is how Covet looks in my game:
It can be accessed by the number key 7 It has been here for quite a while now. All views by number keys:
Well, we know it's mod related, but what textures are breaking because of it? It will be tedious, but the only way to find out what mod is causing it, you need to disable/enable each mod one by one, while restarting the map/game.
I´m trying to play multiseat with keyboard and ps4 controller but I can´t get it to work. Is it possible to do somehow?
Yes, that should work. Follow these instructions: https://wiki.beamng.com/BeamNG_FAQ#How_can_I_play_with_multiseat.3F If you are having trouble with it, please explain what exact steps you are following, and what problem you are finding after you follow them.
The problem with it is that the controller wants to drive both cars instead of one in freeroam and in multiseat scenarios it recognises it as two controllers:
Have you installed any third party software that messes with the controllers? E.g. joystick/keyboard emulation software and stuff like that. If so, please uninstall or disable them all. Also, please follow the steps described here: https://wiki.beamng.com/Steering_wh....3E_Hardware.2C_but_works_fine_in_other_games