BMW pays homage to M1 with—uh, OK—644-hp, $159,995 XM PHEV SUV

One of the auto industry’s worst kept secrets is finally being revealed. To celebrate the 50th anniversary of the M performance division, BMW M has created first and only standalone M model since the M1. Oddly, it’s a high-performance plug-in hybrid crossover SUV. On Tuesday after multiple leaks, the 2023 BMW XM became official with 644 hp, 30…