This M-engine has seen an impressive lifespan of over a decade in many high-octane BMW M models. Within that lifespan, there have been four revisions to the S63. The current revision, the S63B44T4 ...

It may not follow the same simple recipe as traditional M engines, but there is no doubting the S63's place as one of BMW's ...

BMW offers the M8 exclusively in Competition trim for 2025. Competition in M-speak means more power and a sharper chassis. In this case, the car's S63 4.4-liter twin-turbo V8 made 617 horsepower ...

Behold the BMW 530e iPerformance. There's no specification penalty ... That power is fed through an eight-speed automatic transmission before being sent exclusively to the rear wheels, where it ...

Are you looking to buy a car but can't decide between a BMW X Models or Mercedes-AMG S63? Use our side by side comparison to help you make a decision. We compare design, practicality, price, features, ...