Lamborghini V12 discontinued their first-generation V12 after the Murcielago, opting for a brand-new V12 that first saw use on the Lamborghini Aventador. When Ferruccio Lamborghini set out to compete with Ferrari, he contracted Giotto Bizzarrini to design the engine for his car and, according to some accounts, paid him a bonus for every horsepower over what Ferrari's V12 could produce. The finished V12, with minor improvements, went on to become the 6.5 litre powering the Lamborghini Murciélago LP 640, and completed its service for Lamborghini with the final version of the Murciélago, the Murciélago LP 670-4 SuperVeloce. The engine was designed from
V12 engine where any adjustment method that could go wrong in flight was to be avoided. As initially built, the V12 was rated at at 2,400 rpm, weighing about . The engine powered the car (named ‘Toodles V' for Coatalen's wife Olive's pet name) to several records in 1913 and 1914. In 1909 Renault pioneered aero V12s with a 60 degree air-cooled engine with individual finned cylinders and F-head valve arrangement, driven by single camshaft in the crankcase. This was developed to a unit (96 x 140 mm) which weighed and produced at 1,800 rpm. The propeller was driven from the nose