Complex sentence: The win for BMW Sauber marked the first time a German constructor had won a Formula One Grand Prix since the 1962 French Grand Prix, as well as the first win for BMW engines since the 2004 Brazilian Grand Prix which Juan Pablo Montoya won for Williams F1.
Split into simpler sentences: The win for BMW Sauber marked the first time a German constructor had won a Formula One Grand Prix since the 1962 French Grand Prix. As well as the first win for BMW engines since the 2004 Brazilian Grand Prix when Juan Pablo Montoya was driving for Williams F1.