If you want to make your model work, here's what you have to do:

Get OpenIV

install the optional installation mod:   (It is a central dlcpack for all of your mods) [recommended]

https://www.gta5-mods.com/tools/car-weapon-folder-for-replacer

then go to  (mods) - update - x64 - dlcpacks - MODDING - dlc.rpf - x64 - levels - gta5 - vehicles.rpf and drop the car files there

OR

go to (mods) - update - x64 - dlcpacks - patchday24ng - dlc.rpf - x64 - levels - gta5 - vehicles.rpf and drop the car files there
Make sure to copy the rpf file to your mods folder




NEXT



Enjoy the mod!