Got 30k out of my original PS2s. Front and back wore evenly. Right now I'm at 28k on my Vreds. Looks like it has maybe 5k miles left on it but they are getting hard and noisy so I might replace them earlier.
09 E90 M3 - Interlagos Blue / Black Novillo / Sycamore Anthracite / Eibach / HRE