New data on the BMW M3 and M4

2014 BMW M3 M4

The presentation of the new BMW M models, the M3 and M4 is closer, but still have to wait. To make the wait more bearable, BMW has released some details of both models, technical photographs and a video in which two of the DTM drivers (Bruno Spengler and Timo Glock) analyze the behavior of the vehicle during a few laps of the track German Nürburgring Nordschleife (see  images of the M4 during the trip to Test Clio 120 000 km ).

Despite being official data, BMW does not disclose exact figures. It is confirmed that both models have a 6-cylinder engine new bill, called the S55 B30, with two turbochargers (IHI) low inertia associated with a variable geometry intake (VALVETRONIC) and Double-VANOS system. It will have a capacity of approximately 430 hp at 7500 rpm and a maximum torque of over 500 Nm, improving 30% over the previous offering of the M3 V8.

BMW M3 Driving Impressions

Standard, will be associated with a gearbox 6-speed manual. It weighs 12 kg less than that used by the previous generation. This new gearbox has the peculiarity that to engage a lower gear automatically increases engine speed to eliminate the sharp retention that often occurs when the foot clutch suddenly. It achieves the same effect is achieved with the maneuver of spike-heeled , causing the gears come more smoothly. Something similar used in the Nissan 370Z ( more information ).

Optionally available gearbox dual-clutch automatic with 7 relationships that incorporate a Launch Control system and multi-mode.

The drive is to the rear wheels, has a differential called Active M Differential. A differential electrical activator varies constantly blocking.

Consumption has been reduced by 25%, this allows meet pollution standards Euro VI.

BMW M4 New Look 2014

The overall weight is less than 1500 kg with a distribution of masses between the axes of 50:50. To achieve balance and weight reduction CFRP has been used in the gate, roof, front hood brackets and rear bumper. The drive shaft has no central bearing is also made of this material (is 40% lighter than the one used in the previous M3). Also reduced by 5kg aluminum manufacture of suspension arms. 

The M3 and M4 have an electromechanical steering with three operational programs (comfort, sport and sport +) new BMW models in M.

Among the available options will be variable suspension system (Adaptive M Suspension) with three operating modes (Comfort, Sport and Sport +) or carbocerámicos brakes.

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