BMW revealed yesterday in Lisbon, Portugal the 4-Series Coupe fitted with M Performance parts, giving us a first taste of the upcoming M4 Coupe.

[update] Video and live photos added.

BMW revealed yesterday in Lisbon, Portugal the 4-Series Coupe fitted with M Performance parts, giving us a first taste of the upcoming M4 Coupe.

It looks considerably more aggressive than the standard model thanks to a new body kit with a deeper front bumper that has a carbon fiber splitter and larger air ducts. Other changes include xenon/LED headlamps, 20-inch alloy wheels and several blackened chrome trims for the window surrounds, tail pipes and grille.

We also notice the beefier side sills and carbon fiber exterior mirror housings, together with a boot deck spoiler made from the same lightweight material. The revised rear bumper has air extraction ducts and a built-in diffuser, while the sides of the car are adorned by new decals. The interior cabin 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.

BMW says the 4-Series Coupe fitted with the M Performance package brings an extra 16 bhp (12 kW) and 29 lb-ft (39 Nm) for the 420d model which is powered by a 4-cylinder, 2.0-liter turbocharged diesel engine. The added oomph increases total output to 195 bhp (145 kW) and 309 lb-ft (418 Nm). The 4-cylinder, 2.0-liter turbocharged gasoline engine in the 428i is also upgraded to 269 bhp (200 kW) and 287 lb-ft (389 Nm), representing an increase of 27 bhp (20 kW) and 29 lb-ft (39 Nm). In addition, the 435i with its turbocharged 6-cylinder, 3.0-liter gasoline engine gains 34 bhp (25 kW) and 37 lb-ft (50 Nm) for a total of 336 bhp (250 kW) and 332 lb-ft (450 Nm). All these power upgrades are done via new exhaust systems and software tweaks.

From the M Performance Parts catalog customers will have the possibility of selecting a limited-slip differential which will be a clutch-type unit featuring a 30 percent lock-up.

It is believed the BMW M4 Coupe will be unveiled in January 2014 at the Detroit Motor Show.

More live photos can be found at the source link below. Thanks to Juan Lomita for sending us the tip!

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