While its more formal, upright X3 sibling is all-new for the 2025 model year, the fastback BMW X4 soldiers on basically ... and upgraded M Sport brakes with blue calipers. Revised front and ...

BMW has offered M40i versions of the latest generation X3 and X4 models, but they pale in comparison to the newly announced, full bore X3 M and X4 M, which both come with 473 horsepower ...