...................................PTMODS....................................
Dont forget to backup the files.

1- Download 3d model here: https://www.gta5-mods.com/vehicles/caio-apache-vip-iii-sao-paulo 
2- Open OpenIV 
3- Copy: bus.yft bus_hi.yft (caio apache iii sao paulo) to mods\x64e.rpf\levels\gta5\vehicles.rpf\ 
4- Download HF Funchal Low Entry SKIN 
5- Copy Files (HF Funchal): bus.ytd bus+hi.ytd to mods\x64e.rpf\levels\gta5\vehicles.rpf\ 
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Portugal, Madeira HF Funchal Low Entry

3D Model: VH Pinturas
GTA V Converted: Vagner-zn
Skin Design: Wilson / PTMODS