To install the mod:

1. Open "OpenIV"
2. Select Grand Theft Auto V
3. Then go to "update.rpf" make a copy in mods folder by pressing "Show in "mods" folder".
3. Then go to mods > update > x64 > dlcpacks
4. Paste the file (x5) inside this path
5. then go to update > update.rpf > common > data > scroll down and open "dlclist.xml"
6. paste this line with other Items "<Item>dlcpacks:/bmwx6/</Item>"
7. save and close.
8. Enjoy ;)