this is the dispatch that adds ivpack vehicles to the game and what is the installation?
same, but for the ivpack there are a few things

do not install the complete pack of ivapck just the cars don't what you do? easy i will tell you:

1.download the ivapck from gta v mods.com

2.extract the zip folder

3.extract the .oiv itself with 7zip

4.go to content and coppy the pres folder

5.put it on update/x64/dlcpacks

6.go to update.rpf/common/data

7.go to dlclist.xml and: add a line look like those for the dlc 

8. and type

		<Item>dlcpacks:/pres/</Item>

and there we go

now you have ivpack version without any game crashes :)