Honestly I was at 16K before I switched to my current set of Bridgestone RE-11s. However, I bought the car with almost 4000 miles on the clock, but I'm pretty sure they were the original PS2s. In that 16K , I participated in three track days if I remember correctly.
2007 GT3 Clubsport w/CGT buckets in Scotland
2003 CSL, SG, Alcon BBK SOLD
2002 M5, SSII/Blk and bone stock. In storage back home in TX
2008 M3, AW/Blk 6MT, lots of track stuff SOLD