I'm not entirely sure how this pile of junk is still functioning, but I'm also not sure I want to know. Because it's magical and magical things deserve to be preserved in their mystery.
YouTuber MetalDevils hows us how to get a fancy sports car in GTA Online all banged up while still working. Basically the process involves a Los Santos cargo train. Check it out below:
Bonus points for making it look like the Batmobile.