BMW has been spotted testing a prototype for its next M2, and it’s wearing the least camouflage gear yet. We should see the redesigned M2 debut in 2022 with a detuned version of the 3.0-liter twin-turbocharged inline-6 borrowed from the M3 and M4. Italy’s Manifattura Automobili Torino will build Jannarelly’s Design-1 sports car and a future…