Over the course of the next year, BMW will drop not one, but two mainstream coupe models (along with their soft-top convertible siblings), the 2-Series and 4-Series, which will replace the two door versions of the current 1-Series and 3-Series.
For the time being, only the 4-Series has been officially confirmed to be offered with an "M" variant, but both models will feature an M Performance version in the guise of the M235i and M435i, which build on the 235i and 435i iterations respectively, adding a slightly more powerful engine, a tweaked chassis and aerodynamic parts to the mix.
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