On component hit don't fire when overlap something

Hi, i try to do vehicle visual damage, so i create sphere collision front point of my car where i want to add damage, but my sphere don’t hit anything(event don’t fire), what can i do to fix that!!?

PS i want damage my car from bsp static mash and other cars

still cant fix, maybe its bug 4.9?

try switch block checkboxes with World Static or something else