Here's a nice overview of what goes on there.

Those wanting to learn about vehicle dynamics and car control to develop performance-driving skills are perfect for the 1 to 2 day Drivers Program. Experienced drivers who want to revel in high performance activities and experience the true power of BMWs M lineup should go to the 1 or 2 day M School. When the petrol courses through your veins and you look for the apex and track out of every corner on your way to and from work, it is time for the Advanced M School. Held at 1 of 2 different professional racetracks in North America, you will refine your skills and be able to tell your kids you dont need to play Gran Tourismo 5, because you did it for real. For the new driver that needs to focus on safety and caution, a variety of conditions are presented at the Teen School giving them confidence for the real world. Lastly, for those who want to live free and be in the elements on only 2 wheels, a variety of BMW Motorcycle Rider Training Programs are offered. You can choose between 1 to 3 days of riding with one of the best-built and most versatile brands on the market. Your BMW motorcycle experience can cover on and/or off-road training for the beginners while the intermediate to advanced riders are encouraged to participate in the fun 3-day motorcycle tour.


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http://www.automotiverhythms.com/aut...n-session.html

These guys had a blast...and the PDC is a ton of fun. Next time you get a BMW, I would strongly suggest scheduling some time at the PDC. Click here to enlarge