2019 Mercedes-Benz G63 AMG "Lumma G770"

Installation:
[Editing the dlclist.xml]
1. Create a folder named "lummag770" in :Grand Theft Auto Vmodsupdatex64dlcpacks
2. Open OpenIV and extract the "dlc.rpf" from the current archive to Grand Theft Auto Vupdatex64dlcpacks
3. Add the following line:

dlcpacks:lummag770

4. Save the changes and copy the edited "dlclist.xml" back to: Grand Theft Auto Vupdateupdate.rpfcommondata

[Editing the extratitleupdatedata.meta]
5. Using OpenIV, go to: Grand Theft Auto Vupdateupdate.rpfcommondata — and extract the "extratitleupdatedata.meta" in some folder of your choice.
6. Add the following line:

dlc_lummag770:/update:/dlc_patch/lummag770/

7. Save the changes and copy the edited "extratitleupdatedata.meta" to: Grand Theft Auto Vupdateupdate.rpfcommondata