BMW’s flagship luxury sedan is completely transformed and improved for 2023. Under the hood of the new 7 Series is the same twin-turbo 4.4-litre V8 engine that could be found in the previous generation, except that output is increased to 536 horsepower and 553 lb-ft. of torque. Mild hybrid technology is also part of the mix to help save fuel. In addition to the completely redesigned 7 Series sedan, BMW has a fully electric variant in store for 2023. Called i7, it joins the smaller i4 and the iX crossover in the German automaker’s EV lineup.