To use the map you need
Openiv
Map builder
Everything works perfectly
All you need to do after that, is drop ‘popolo and kukako’ inside custom_maps.rpf of the following folder (using OpenIV):
\mods\update\x64\dlcpacks\CustomMaps\dlc.rpf\x64\levels\gta5\_citye\maps\custom_maps.rpf
Version 1.1 a working card
Credits:
The_Gamer382