1. Run OpenIV, enable Edit Mode and navigate to

GTA5\mods\update\update.rpf\common\data\

extract dlclist.xml


2. Open dlclist.xml with notepad or notepad++ then add this

<Item>dlcpacks:\wheelspack\</Item>

Save and exit.

3. Replace your dlclist.xml back to the folder 

4. Copy "update" folder to GTA5 main directory.

5. Run GTA5, go to Benny's Motorworks to change your wheels.