Choosing a BMW M4 GTS instead of the regular M4 Coupe means that one is into the extra muscle, but what if we’d tell you that the car has become even punchier?

You may or may not remember G-Power’s upgrade for the limited edition BMW M4 GTS, which is out in just 700 examples worldwide, all of them sold out in no time, but just in case you cannot really put your finger on it, the tuner is here with a reminder.

This comes in the form of a video that sees the awesome Bimmer demonstrated on the dyno, right before being taken out for a short spin. The footage is wrapped around the extra output squeezed from the 3.0-liter straight-six engine, which is capable of 500 PS (493 HP) and 600 Nm (443 lb-ft) of torque in standard, and comes with 615 PS (606 HP) and 760 Nm (561 lb-ft) of torque with G-Power’s Bi-Tronik 2 V3 upgrade.

The extra oomph allows the M4 GTS to accelerate from naught to 100 km/h (62 mph) in just 3.6 seconds, 0.2 seconds faster than the standard car, which continues all the way over 320 km/h (200 mph), compared to the stock 305 km/h (190 mph).

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