I installed KW V3's in my RS6 this past winter. What a difference over the stock system (DRC failed three times). So at 102,000 miles I finally had the suspension the car should have had at 0 miles.
(fun DIY project LOL)
2016 M2 Alpine White, 7 speed DCT
2015 Q7 s-line Daytona Grey
2003 RS6 Daytona Grey
Prior: 2013 A8L, 2008 A4 Cab, 2000 A6 4.2 sport, 1997 M3 luxury, 1994 325 is with M-tech suspension