If you already tried to disable/remove all the mods, try wiping the Documents/BeamNG.Drive folder (Backup your mods in another place and don't put them back, if you want). If the problem still persists, go for a clean install of the game, something might be broken on your side: https://wiki.beamng.com/BeamNG_FAQ#How_do_I_perform_a_clean_reinstall.3F