David Smitheram lives in the southwest of England, and is currently the director of a motorsport organizing club. Previously he founded a business filming cars on the race track, qualified as an ARDS race instructor and worked for a Japanese manufacturer. It was while race organizing that he first appreciated the strength and performance of BMW race cars. Over the past 15 years, David has taken part in over 200 track days, and raced Caterham, Porsche and Lotus, currently racing a BMW E30. David has been fortunate enough to drive various BMW Z4s on the road and track in the UK, Europe and US. His own lightly modified E85 Z4M is used in all weathers and David carries out all maintenance himself. As Z4 Register Representative David attends BMW Car Club UK social meetings and trackdays, and writes a regular monthly column for the club magazine. His articles and photographs have been used by various car clubs, magazines and publications.