Two months ago I attended the M performance driving school, at the same facitily. It sounds like it was the same thing as the 6 series school but this one was for people who purchased either an M5 or M6. We did a lot of the same stuff but we only used M cars. We used M3s for the rat race (i won) and skid pad. We did some timed laps with Z4 M roadsters (I won that too). We also got to mess around for a couple laps in M5s and M6s. Did the instrutors take you for a lap in M3s at the end of the day? They spent more time burning out and powersliding than going straight. It was awesome.