Text: Eric Tipan / Photos: | posted December 12, 2013 11:24
Will make its first appearance at the 2014 North American International Auto Show in Detroit
BMW will launch the all-new BMW M3 Sedan and BMW M4 Coupe models, taking the best features of 3 Series Sedan and fresh 4 Series Coupe models. These will be the first-ever BMW M cars to feature an engineered-in reduction in curb weight from one generation to the next. Judging by the information released by BMW, the all-new M3 and M4 will solidify their position as a leader in the high-performance sports car market around the world.
In a return to the inline-6 engine format made famous by BMW M, the all-new BMW M3 and M4 will feature a more powerful 3.0-liter engine that is 10 kilograms lighter than its V-8. It puts out 425 horsepower from 5,500 – 7,300 rpm, 406 lb-ft of torque from 1,850 – 5,500 rpm, and capable of 0-60mph in 3.9 seconds when equipped with the M-DCT transmission (4.1 seconds with standard 6-speed manual) while also achieving a reduction in fuel consumption and emissions of nearly 25 percent.
“The new turbocharged six-cylinder unit fitted in the two new cars combines the virtues of a high-revving naturally aspirated unit with the strengths of turbocharger technology. A committed lightweight design concept produces a weight saving of around 80 kilograms over the outgoing M3,” said Dr Friedrich Nitschke, President BMW M GmbH.
For dynamic handling and excellent efficiency, weight savings of around 80 kilograms have been achieved over the previous model. Intelligent lightweight design include the increased use of lightweight materials such as carbon-fiber-reinforced plastic (CFRP) and aluminum for a number of chassis and body components. Both models feature a carbon roof.
The aerodynamics concept of BMW M GmbH is evident in the large air intakes and Air Curtains at the front end, exposed carbon-fiber-reinforced plastic (CFRP) and aluminum body components, and the diffuser at the muscular rear while also fulfilling design concepts and functional roles in cooling and weight saving.
DTM drivers Bruno Spengler and Timo Glock took part in the extensive testing and set-up work of the all-new M3 and M4 at the Nürburgring-Nordschleife circuit to keep up with the promise of impressive race track capability. It also offers a track-specification cooling system, which ensures that the optimum temperature balance for the engine, turbochargers and transmission is maintained at all times.
“As a race driver, I’m very impressed by the instant, lag-free response from the two turbos as soon you step on the gas. This is a sensational feature of this engine which translates to more fun at the wheel and is perfect for sporty driving,” said DTM driver Bruno Spengler.
The transmission is a standard six-speed manual gearbox with a double-plate clutch and is more compact and 26.4 lbs lighter. It uses innovative new carbon friction linings in its synchronizer rings with dry sump lubrication providing an efficient supply of oil to all parts of the engine. The gearbox blips the throttle on downshifts improving the smoothness of the transmission, enhancing stability and was originally developed by motor sport engineers.
It will also be available with the optional 7-speed M Double Clutch Transmission with Drivelogic with Launch Control. In manual mode, the transmission enables ultra-fast gear changes with no interruption in the flow of power. The integrated Launch Control function ensures optimum sprinting performance off the line, producing acceleration figures that would be out of range with the manual gearbox. Stability Clutch Control opens the clutch when the car is understeering to bring it back into line. And M-DCT also includes functions like the Drivelogic modes that can be selected by the driver to give the BMW M3 and BMW M4 more comfortable, more economy-focused or even sportier characteristics. The additional seventh gear over the manual gearbox allows longer gear ratios – and delivers the efficiency gains you would expect as a result.
It also comes with an even more accomplished rear-wheel drive with Active M Differential, aluminum suspension elements ensure sharper dynamics, Unique Electric Power Steering with three settings, track-ready engine oil supply system for outstanding performance and innovative driveline and chassis technology deliver unbeatable dynamics.
The BMW M3 Sedan and BMW M4 Coupe will also be available with the wide variety of driver assistance systems and mobility services introduced under the BMW ConnectedDrive banner.
The all-new BMW M3 Sedan and new BMW M4 Coupe represent the fifth generation of a pure-bred sports car offering excellent everyday usability. It will begin sales as 2015 models early next year.