I'm no friend of polybushes. When I see right, there are polybushes in the dampers.

I like rubberbushes, they are smoother.

Harder bushes work more directly, but also stronger to the whole "system" and can overstress other parts. It's also a known problem at classic MINIs.

René

2018 plus4 (sports green)
with a homemade really shiny red tinted dash…