BMW has announced awesome ///M performance upgrades for 4-Series Coupe. The car on the pictures is very similar to the upcoming M4 Coupe.

The exterior boasts an aggressive body kit including new front bumper with a carbon fiber splitter and larger air ducts, a pair of extended side skirts and a new rear bumper with integrated diffuser. Other highlights include xenon/LED headlamps, 20" alloy wheels and several blackened chrome trims for the window surrounds, tail pipes and grille.

There are also carbon fiber exterior mirror housings, a boot deck spoiler made from the same lightweight material and some goodies for the interior. It boasts a redesigned three-spoke steering wheel and sport seats, stainless steel pedals and footrest, M Performance floor mats and carbon fiber trim for the hand brake and gearshift levers.

The 4-Series Coupe equipped with ///M Performance package will come with additional 16HP and 39Nm for the 420d model. The 428i will have 269HP (200 kW) and 389Nm (287 lb-ft) – an increase of 27HP and 39Nm. The mighty 435i will be boosted by 34HP and 50Nm of torque – totally 336HP (250 kW) and 450Nm (332 lb-ft). All these power upgrades are done thanks to a new exhaust systems and software re-map.

Finally, BMW will offer a limited-slip differential which will be a clutch-type unit featuring a 30 % lock-up.

Source: F30post