Blender to Unreal WheeledVehicle

Hi,
i really want to get my own cars from blender to unreal.
I am following this tutorial 100%: Blender to UE4 Vehicle Workflow - Unreal Engine 4 Tutorial - YouTube

But my wheels are always at the root bone. They are all around it, so not only connected to it but ~1mm to each (correct) direction of the wheels.

EDIT: Image in blender is not the one I used. I tried it again, so the main root is a bit shifted but same happenend

Please, please help me :frowning:
~L