Vehicle rigging/bones in blender for ue4

Hello guys, i’m trying to put my car in ue4, but my bones doesnt work, someone can say how i do it? thanks very much!!

ss: http://postimg.org/image/vlvlx3xml/

ps: the wheels and the car are in one single mesh.

Hi!

This is several tutorials about how to create rig of vehicle, export from Blender and import to UE4.