Prior to their F1 partnership, Williams Motorsport built Le Mans Prototypes for BMW, known as the V12 LM and V12 LMR. The V12 LMR won the 24 Hours of Le Mans in 1999. The car was driven by Pierluigi Martini, Yannick Dalmas and Joachim Winkelhock, and operated by Schnitzer Motorsport under the name of BMW Motorsport.