in OpenIV go to:
update\x64\dlcpacks\patchday2ng\dlc.rpf\
x64\levels\gta5\vehicles.rpf\
and replace blista3.ytd, blista3+hi.ytd, blista3.yft and blista3_hi.yft

Model created by Th3Cz4r

Paintjob created by me

Original Vw Beetle: http://www.gtainside.com/en/gta5/cars/78034-vocho-mexico-nyan-cat/