I had these on my 02 M3 for maybe 5000 miles or less, the single mass flywheel chatters or vibrate too much for my taste, it could also be a combination of my AKG 75d (highest durometer polyurethane, will also be forsale)motor and trans mounts, on a high mileage (163k). Other than chatters and vibrations, the clutch works great, I have taken it to the track and no single issues with slipping/engagements or gear shifts. I just got my motor out to do rod bearings and other maintenance, so I'm addressing all the NVH that annoys me on my drive to work. price 150 shipped to continental usa. Part# MA-006-054
