German tuner Lightweight has developed an upgrade kit for the BMW M4 Coupe.

The first order of business was to install a titanium exhaust system with valve control which has reduced the car's weight by an unspecified amount. There's also a front spoiler blade that can be optionally had in visible carbon fiber along with an adjustable rear wing made from the same lightweight material.

Stock wheels were replaced with a BBS 19-inch set wrapped around in Michelin Pilot Sport Cup 2 tires measuring 265/35/19 front & 285/35/19 rear. Other upgrades include a Bilstein Clubsport suspension package, beefier brakes and an optional stainless steel exhaust system also with valve control.

Lightweight also worked on the 3.0-liter 6-cylinder TwinPower Turbo and bumped its output from the series 431 HP (317 kW) and 550 Nm (406 lb-ft) to 520 HP (382 kW) and 650 Nm (479 lb-ft) of torque.

The standard BMW M4 starts at €72,200 in Germany and adding all the aforementioned tweaks will raise the price to €89,000. Lightweight says a new upgrade program is in the works and will come with a wide variety of goodies such as an adjustable front spoiler blade, carbon fiber diffuser, trunk spoiler lip, enclosed underbody, roll cage and bucket seats equipped with six-point harnesses.

Gallery: BMW M4 Coupe upgraded to 520 HP by Lightweight

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