Related: 2021 BMW M440i Convertible Review: Escape Artist Both the regular 4 Series and the performance-minded M4 soon will house BMW’s curved display, which features a 12.3-inch information ...

With the base 420i offering all the style in a relatively affordable pricetag, while the all-wheel-drive grip of the M440i adds extra assurance at a more premium price, BMW's new 4 Series should cater ...