Anyone installed one of these ???
https://www.turnermotorsport.com/p-5...-f8x-m2-m3-m4/
replaces oem part no 3 below and allows 2nd rear bush to be mounted in the empty hole RHS of rear subframe...
https://www.realoem.com/bmw/enUS/sho...99#33172284775
Perhaps worth doing if swapping out earlier rubber bushing (upto 2017) to oem upgrade poly rubber from 2018 onwards as rubber bushes were prone to cracking
https://f80.bimmerpost.com/forums/sh....php?t=1543000