Convert from GTA San Andreas by gamepb:
http://www.gtainside.com/en/sanandreas/cars/47217-2012-alfa-romeo-8c-spider-v1-0

3d interior
Semi 3d engine
Dials
Breaking windscreen
PAINT 1 for the body
PAINT 2 for the interior

YOU NEED THE ADD ON DLC FROM THE RABBIT :

http://www.gtainside.com/en/gta5/cars/81488-volkswagen-rabbit-1986-addon-bmw-m5-e34-v3

or

https://fr.gta5-hub.com/vehicles/volkswagen-rabbit-1986-addon-bmw-m5-e34-v3


Installation in the readme.txt