A new report indicates BMW is currently testing M2 Coupe prototypes with an uprated N55 engine.

The N55 N55B30T0 engine is the same inline-six TwinPower Turbo 3.0-liter engine inside the currently range-topping M235i Coupe. However, BMW's engineers are tweaking the motor to increase its output from the current 326 HP (240 kW) to somewhere in the region of 380 HP (279 kW). The report suggests BMW is testing the engine in conjunction with both manual and automatic gearboxes.

If the M2 will see the light of production day, expect to find the newly introduced chassis tech from the M3 Sedan / M4 Coupe duo, as well as an electronically-controlled limited-slip differential (aka Active M Differential) and a quad exhaust arrangement.

A probable launch date is sometime in 2016.

Gallery: BMW testing M2 with six-cylinder turbocharged N55 engine - report

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