Complex sentence: He took two World Rally Championship wins in his career--his first, driving a Peugeot 205 T16, was in the infamous 1986 Tour de Corse, in which Henri Toivonen and his co-driver Sergio Cresto died.
Split into simpler sentences: He took two World Rally Championship wins in his career. His first win came driving a Peugeot 205 T16 in the infamous 1986 Tour de Corse, in which Henri Toivonen and his co-driver Sergio Cresto died.