Complex sentence: It also had the swivelling directional headlights like the SM/DS. The 1973 oil crisis combined with the collapse of the Citroën/Maserati relationship, made Maserati unable to gain EEC approval for the car.
Split into simpler sentences: It also had the swivelling directional headlights like the SM/DS. However, the 1973 oil crisis intervened. This, combined with the collapse of the Citroën/Maserati relationship, made Maserati unable to gain EEC approval for the car.