Vorsteiner is introducing another tuning kit for the BMW M4 Coupe which will be showcased next week at SEMA.

Vorsteiner is introducing another tuning kit for the BMW M4 Coupe which will be showcased next week at SEMA.

It's essentially an evolution of their "GTS" package from last month and this time the high-performance coupe has received numerous carbon fiber body parts. The lightweight yet sturdy material was used for the front bumper (with built-in splitter), wide front fenders (with ventilation), aero side blade elements and wider rear fenders. Carbon fiber was also the material of choice for the rear bumper which incorporates a diffuser element while at the back there are 90mm quad exhaust pipes with either a brushed or diamond black finish.

The tuner worked on the 3.0-liter inline-six TwinPower Turbo engine which was upgraded with ESS Tuning's E-Tronic to boost output from the series 431 HP (317 kW) to 550 HP (405 kW). No performance figures have been released but we remind you the stock BMW M4 Coupe sprints to 62 mph (100 km/h) from a standstill in 4.1 seconds with the optional seven-speed M DCT or in 4.3 seconds with the standard six-speed manual gearbox. Top speed is electronically-limited at 155 mph (250 km/h) but with the M Driver's Package the limiter is raised to 174 mph (280 km/h).

Built to celebrate Vorsteiner's 10th anniversary, the BMW M4 GTRS4 also comes with three-piece 20-inch alloy wheels featuring a gloss brushed shadow look and wrapped around in Pirelli P Nero tires while inside the cabin there is an embroidered colored floor & trunk mat set.

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