Senior Toyota exec confirms GRNM to not only get BMW M donk, but its dual-clutch transmission too

Toyota has confirmed that its high-performance GRNM version of its fast Toyota Supra coupe will come equipped with a powertrain lifted from the next-gen BMW M4.

Until now, it was thought that engineers were going to turn up the boost on the regular car’s B58 twin-scroll turbocharged 3.0-litre inline six-cylinder but now Japan’s Best Car has revealed those plans have been scrapped.

Instead, the Supra GRNM will harness the power of BMW M division’s next-gen S58 twin-turbocharged 3.0-litre inline six that will produce up to 390kW and 608Nm of torque.
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https://www.motoring.com.au/toyota-supra-grnm-to-score-390kw-bmw-m3-power-125150/