About conversions and cars

i can't understand why i see the car in transparent mod....can u explain me?

because you take on him glowing texture. Try again.

and how should i make the texture? which mode?

normal, but select unused in type

for all textures?

i did it thanks,,now i've just to fix the wheels and the steering wheel....
look:

i've maked right now this new sprinter,,,mayeb tomorrow it will be fixed because there are some problems,,,and after tomorrow it will be in this site,,,what do u think about he sprinter and nissan?

i've just finished the nissan gtr with albanian flag,,,,
...but there's a little problem,,,,
i need high engine for the car....
how can i make it,,,,
need help from someone who know how to make high engine for the car....

i've finished right now a new car,, its a bmw e36 drift car....can i upload it?
it has high textures,,,high engine and automatic gearbox....