use a hot iron with a steamer, make sure to be careful them things burn. (in all seriousness try to uninstall some mods that could be conflicting with the game, clear cache, and try to verify the game integrity. careful of bootleg mods, they have caused this issue for me before.)
See this: https://www.beamng.com/threads/how-to-correctly-import-export-official-vehicles-via-blender.14793/
Try clearing cache, and if that doesn't work disable all mods. After disabling them, try enabling them one by one to see which one is the culprit, then remove it from your mods. If that isn't working either, then change your graphic settings, they could cause some visual glitches. If that still doesn't solve the problem, post a bug report.
Although this is not a game issue/bug. Stuff like this happens if you import a vehicle model and export 'as is' without adjusting the smoothing. He has been making aamod related to the Bolide, so that's probably what happened. The link I posted earlier explains this.
Ahh okay then, that explains it. Also @Nadeox1, what re-shade do you use for your pictures? Is it a modification to the game, or post-edited?