Well, I couldn't wait any longer fora fix, so I went ahead with my H&R install. I tell you what, the clunk is GONE for me! The suspension feels much better; a little firmer, but not much. Suspension feels much more solid. Those who are holding back I would say not to wait. A vast improvement!
Silverstone F10 M5 - Akrapovič Evolution exhaust, iND Cosmetic package, Xpel clear bra, H&R sport springs, Macht Schnell wheel spacers