BackMake car unbreakable
Run MM2CSC and select car (check previous instructions). Then main window will look like this:
click Install add-on
New widows with addons will be opened
Select Damages/No damage
and click Install
if everything was OK, you will see a message (but if there was error, please inform me)
click Ok
close program and run the game (if you have AR file in game directory)