Ricardo Zonta
In 2008 Klien signed as BMW Sauber's test and reserve driver for the Formula One season. He also signed with Peugeot to race in 24 Hours of Le Mans. Driving the Peugeot 908 HDi FAP he finished third overall with Ricardo Zonta and Franck Montagny. In October he participated in Petit Le Mans in the American Le Mans Series, driving with Peugeot's factory drivers Marc Gené and Nicolas Minassian.