2012 Mercedes-Benz SLK by Carlsson

German tuner Carlsson has a new tuning program for the Mercedes-Benz SLK. Starting things off under the hood of this iconic cabrio, Carlsson has developed a new C-Tronic kit, with different stages of output boosts, for the new range of CGI engines that go into the SLK. For the SLK 200 CGI with a standard output of 184 PS (135 kW / 181 PS) - the C-Tronic tuning can dial that up to a maximum of

2012 Mercedes-Benz SLK by Carlsson

German tuner Carlsson has a new tuning program for the Mercedes-Benz SLK. Starting things off under the hood of this iconic cabrio, Carlsson has developed a new C-Tronic kit, with different stages of output boosts, for the new range of CGI engines that go into the SLK. For the SLK 200 CGI with a standard output of 184 PS (135 kW / 181 PS) - the C-Tronic tuning can dial that up to a maximum of

BMW Z4 sDrive35is by Kelleners Sport

German tuner Kelleners Sport has turned the BMW Z4 sDrive35is into a real rager. The power upgrade involves a tuning of the 3.0 liter twin-turbocharged inline six-cylinder unit up to an output of 405 PS (298 kW / 400 bhp) and 539 Nm (398 lb-ft) of torque. That's quite a gain over the already impressive series output of 340 PS (250kW/ 335 bhp) and 450Nm (332 lb-ft) of torque - 500Nm (369 lb-ft

BMW Z4 sDrive35is by Kelleners Sport

German tuner Kelleners Sport has turned the BMW Z4 sDrive35is into a real rager. The power upgrade involves a tuning of the 3.0 liter twin-turbocharged inline six-cylinder unit up to an output of 405 PS (298 kW / 400 bhp) and 539 Nm (398 lb-ft) of torque. That's quite a gain over the already impressive series output of 340 PS (250kW/ 335 bhp) and 450Nm (332 lb-ft) of torque - 500Nm (369 lb-ft

Porsche Cayenne II by LUMMA Design

German tuner LUMMA Design has a tuning package for the Porsche Cayenne II based on the previous CLR 558 GT kit - this unit in white is called White Pepper. That previous job involved tuning the Cayenne II Diesel but this time the kit is offered on the Cayenne as is. The aero parts do an impressive job of adding muscle to the Cayenne, including a front spoiler with air inlets, widening wheel

Porsche Cayenne II by LUMMA Design

German tuner LUMMA Design has a tuning package for the Porsche Cayenne II based on the previous CLR 558 GT kit - this unit in white is called White Pepper. That previous job involved tuning the Cayenne II Diesel but this time the kit is offered on the Cayenne as is. The aero parts do an impressive job of adding muscle to the Cayenne, including a front spoiler with air inlets, widening wheel

RENM RS 250 Black Edition

Australian tuner RENM Performance has a tuning package for the Renault Megane RS. The RENM RS 250 Black Edition dials power up on the hot hatch to 310 PS (228 kW / 306 bhp) and 430 Nm of torque by means of an ECU remap, a new turbo intercooler, sport air filter and a stainless-steel performance exhaust. Wheels are the 19-inch Titanium Gray race-light rims while the ride gets lowered by 35 mm