Thats my old video haha, you should check the new ones. Another BMW, shorter video, with voice instead of text, and overal much better. https://www.youtube.com/playlist?list=PLom3andNXCSLds5LpQ8uD34vyphjythM6
And I’ve Also created a project wich I share for free on the forum, its a physic simulated vehicle using physic constraints, altho it is still WIP, it is very stable and satisfying 
here’s the thread : https://forums.unrealengine.com/showthread.php?129725-Custom-physic-vehicle-simulation-completed!-Project-download-included&p=628460#post628460