For sale is my Dinan Stage 2 kit for F10 M5 CP. All hardware and original packaging included. Kit was made 12/17/18, installed March 2019 by BMW in Wichita, KS. Less than 300 miles on the kit. No problems, just decided to go catless and on to the next stage. Original price over 3500. Asking only 2000 or reasonable best offerEmail at [email protected] with any questions.