Sabine Schmitz is as famed as a motor racing driver for BMW and Porsche is she is famous for driving the BMW 'Ring Taxi' around the Nurburgring race track, for 14 years, where tourists could pay to ride along with a pro driver
She has also been on Top Gear before, in 2004 she competed with Jeremy in a Jag around the Ring, and beat him by 47 seconds... and raced him in a van... yeah, a van, and was only 9 seconds off his pace
skip the first 4 minutes
she won the 24 Hours Nurburgring in 1996 and 97.
She also trained as a hotel manager and sommelier, and she owned a bar-restaurant in Nurburg
And if fast cars weren't challenge enough, Sabine qualified as a helicopter pilot in 2004.
For a good interview of Sabine: http://www.m5board.com/vbulletin/most-memorable-threads/39033-answers-sabine-ring-taxi-driver.html