Chaos vehicle wheels clipping into ground

Hi everyone,

I’m struggling with a Chaos Vehicle setup in unreal engine 5.6. No matter what I change, the wheels keep clipping into the ground, and the vehicle immediately tips over to the side, like in the picture.

What I’ve already tried:

in Blender:

- Applied all transforms (Scale is 1.0).

- Bone Orientation: Wheel bones are placed at the center of the meshes. Local X points forward, Local Z points up, and the bone tip (Y) points outward/sideways.

- Root bone is at 0,0,0.

- Origins of the wheels are at the geometry, the origin of the body is at 0,0,0

in Unreal engine:

- In the Physics Asset, I’ve generated sphere collision bodies for each wheel bone, while the main body uses a box collider.

- Adjusting the wheel radius has no effect on the clipping issue, it only changes the visual offset of the car from the ground

- tried to disable the wheel collisions (no change)

Does anybody have an idea, what is the problem here? Thank you for your help!

check where your physics asset show

check the radius in the wheel bp, wheel bone alignment, lots of little things, i have some older videos on my youtube channel, and a newer quickie from UE5.7.1