Comfort (and control) is excellent over any and all road surfaces and irregularities.
Here’s a review that mirrors my experience.
https://www.bimmerworld.com/Suspensi...zM4Ni42MC4wLjA.
I should add that prior to installing these Bilsteins, Id previously fitted Turner Motorsport solid aluminum rear sub frame bushings, and the 19mm Dinan rear anti roll bar.