Originally Posted by M3SQRD
Congrats and nice choice
Had a set of the TCK SA dampers with 400/600 rates on my wife's M3 - much more compliant ride than the stock ZCP-EDC suspension yet improved handling characteristics, better transition/turn-in, and better at absorbing bumps. You can't beat the performance/price on the TCK SA setup!
Big thanks to M3SQRD for many answered questions and patience. Through my selecting process he has helped me out with a lot of info.