The BMW 801 was a German aircraft engine developed during the 1930s and used extensively in World War II. It was a 14-cylinder, air-cooled radial engine known for its reliability and power, producing around 1,000 horsepower. The engine's design allowed for efficient cooling and performance, making it suitable for various military aircraft. Primarily, the BMW 801 powered several notable aircraft, including the Focke-Wulf Fw 190, a prominent fighter plane of the era. Its robust construction and advanced engineering contributed significantly to the performance of these aircraft, enhancing their speed and maneuverability in combat situations.