My pzeros lasted all of 10000 Km of pretty conservative driving. I've got a set of PSS's on the way. Much cheaper than the Pirelli's Hopefully they'll last longer.
2011 M3 e93 Azurite Black/Rust Brown
2009 335i e90 xdrive TiAg/Black
Gone but not forgotten:
2008 335i e93 AW/CR
2001 e46 330xi sedan Jet Black/Beige
1982 e21 320i coupe Henna Red/beige