Bill Auberlen testing the new BMW E60 M5. As hard as it is to believe, at the age of 35, Bill Auberlen i s starting his fourth decade of racing. He has raced and won all over the world in both open- and closed-wheels cars, but, most importantly to him, he is still racing with his father. This time he is testing the BMW M5 in a 6 minute video. He shows the difference between driving without DSC and with DSC and much more.