3d model to gta5/fivem

[OsPopo]

hello,
my 3d model in gta5 is not that what it should be. in open iv and zmodeler3 its okay.
i dont know how to fix it and how i can export the car right.
pls help,
thank you
theres three pictures (one in zmod, one in open iv and one in gta5/fivem). i think the pictures explain themselves.