1.use openIV an navigate to : mods/update/x64/dlcpacks 

,this is where you drag the 916 folder or create a 916 folder and 

put the dlc.rpf in.



2.navigate to : mods/update/update.rpf/common/data

from here extract : dlclist.xml

Open extracted dlclist.xml(with notepad) and add line : <Item>dlcpacks:\916\</Item>

Save in notepad.

Put the modified dlclist.xml back to : mods/update/update.rpf/common/data


Use a trainer to spawn the car by entering : 916

Enjoy!