I used to think joining was a no-brainer, but I recently realized that the discounts might not be honored at online BMW parts stores? How does it work?
And, dutch, he said BMWCCoA, not BMWCCoN! Shoo! :P
DISCLAIMER: I don't yet actually drive a BMW. Currently, I proudly drive a '93 Volvo 940, the inspiration for my love of RWD cars.