The Daimler Benz DB 605 represents one of the most advanced liquid-cooled high-performance piston engine developed during the 40’s together with its direct competitor the Rolls Royce Merlin. Its significance in the history of aircraft engine development is widely stated in the technical and historic literature. Although a no tiny number of copies still exist nowadays, these ones have very high value and are usually exhibited in the most important engine collections as well as are used in historic airworthy airplanes.