BMW M3 CRT will be produced by BMW M GmbH factory as a limited edition of 67 units. The tire tracks of the BMW M3 GTS - including 135 copies were produced - this is the second series of small, high-performance M3 off-shoot to be high for the track, but has recorded for the road. The exclusive character is underlined by the Saloon as lightweight components made in the context of an innovative production processes. The hood of the BMW M3 and CRT bucket seats for driver and front passenger are made of a honeycomb cell carbon produced in a process unique in the world pioneer in the manufacture of body parts for BMW and BMW i3 i8 models.
Innovative manufacturing processes for components CFRP lightweight.
These new models - due to enter volume production in 2013 and equipped with electricity and an innovative BMW ActiveHybrid technology operating system - a characteristic of the body made entirely of carbon fiber in the passenger cell. In a new development, the production process for this purpose allows the cuts left frame a new trial. Base material (composed of carbon fiber thread) can now be CFRP woven rugs of all sizes, before the synthetic resin impregnated and cured in the same material used in the body of the BMW and BMW I3 I8. BMW M3, the CRT, this may create a carbon fiber hood that holds two moldings structure aramid honeycomb. This structure gives strength of conventional steel hood with a similar, but about a quarter of its weight. Weight saving compared to standard aluminum hood for the BMW M3 sedan is about 50 percent.
The data obtained through an innovative production technology is also used in automotive seating. Here CFRP layers are wrapped around a honeycomb of recycled paper, with a carbon layer produced using conventional technology of production to be added to the visible areas. CFRP is also used to do, and rear spoiler as well as the BMW M3, CRT, and the air duct element integrated into the front bumper.
This innovative manufacturing process offers significant potential for increased use of CFRP in series-produced cars, as a way to lower the weight. BMW Group leads the way in this field of automobile, while the BMW M GmbH can draw on the expertise of running wide when it comes to intelligent lightweight design. BMW M3 CRT is the latest in a fine tradition of the very exclusive sports cars using optimized high performance lightweight design. This lineage goes back to the BMW 3.0 CSL in 1970 and culminated in 2002 with the BMW M3 CSL. BMW M GmbH has also introduced the use of carbon fiber in mass-produced vehicles like the BMW M6 was produced until 2010, the current BMW M3 Coupe comes standard with a roof made of carbon fiber reinforced plastic.
Reduced weight despite plenty of standard equipment.
The lightweight construction of the BMW M3 CRT is enhanced by acoustic configured specifically for the new variant and a sport exhaust system with an extremely lightweight titanium muffler. CRT as unique are the two individual rear seats, taking their signals from the lateral support resistance contours of the front seats.
Included in the standard specification of the CRT BMW M3 is the M double-clutch transmission with Drivelogic, the navigation system Professional, BMW Individual high-end audio system, a light, outside mirrors and package cargo area, an alarm system and Park Distance Control with sensors front and rear of the car. Despite this extremely generous range of standard kit, the curb weight of 1580 kg DIN undermine the standard BMW M3 Sedan with about 45 kg. Taking into account the equipment on board the weight saving is more like 70 kg. Added to which intelligently to reduce the load on the front of the car increases the proportion of weight of the car on the rear axle to 48.4 percent, which has a very positive effect on agility.
High engine V8 engine with more power; M DCT Drivelogic.
CFRP Under the hood of the BMW M3 CRT is a variant of the V8 engine developed exclusively for BMW M3 increased further displacement, output and maximum torque. The unit provides high-speed linear power delivery that you expect from an M car and very responsive performance profile sharpened by the requirements of the course. Tuned BMW M3 GTS for the eight-cylinder engine develops 331 kW/450 hp from its displacement of 4360 cc. The maximum power is reached at 8300 rpm, and the driver is the maximum torque of 440 Newton-meters on tap at 3750 rpm. Contributes to the engine, the results are intoxicating magic comes directly from motorsports, including construction of housing built special aluminum-silicon alloy, butterflies individual gases, a knock control system with current technology ion a dynamic and optimized supply wet sump.
Transfer engine power to the rear wheels is the M double-clutch transmission with Drivelogic developed for the BMW M3. The seven-speed M DCT Drivelogic device also works on a principle developed in the motor, allowing an uninterrupted flow of energy through the gear changes to provide a dynamic acceleration. Her features have been tuned specifically to move the fuel into the engine of the BMW M3 CRT. Shift paddles on the steering wheel allow the driver to change gear manually with optimal ergonomics. And a launch control function is in place to generate maximum acceleration of the line.
The construction of special chassis with race-bred technology.
Experience racing competition also makes its presence felt in the chassis technology of the BMW M3 CRT. The construction of the sedan BMW M3 from the front and rear axle has been strengthened with a cot and a solid rear axle suspension with shock absorbers individually threaded compression and rebound in. The fixed six-piston brakes in the high performance BMW M3 CRT benefit from a lightweight composite construction. The vented disc brakes measuring 378 x 32 mm front axle and 380 x 28 mm at the rear. The new M3 variant also uses the brake lines and pads brake specific Stahlflex model for comfort.
The specially tuned DSC (Dynamic Stability Control) system - including ABS and M Dynamic Mode (MDM) - address both the greatest potential dynamics of the BMW M3 CRT and optimized distribution of axle load. Meanwhile, 245/35 R 19 front tires and 265/35 R 19 rear (mounted on wheels 19-inch M light-alloy Y-spoke design) to ensure that the motor acceleration and power of braking is transferred to the road with maximum impact. The electronic engine CRT caps BMW M3 top speed of 290 km / h.
Exclusive Polar frozen metallic exterior paint color in one of Melbourne Red metallic applications, and the special treatment of the BMW kidney grille also helps make the BMW M3, the CRT with the exception of the standard M3. Inside the exhibition will also be an exclusive door sill trims, door panels and decorative moldings aluminum grain structure. Completion of a distinctive environment for high-performance saloon Alcantara covered steering wheel M, which is the M Drive button, drivers can recall the time desired, and a special orange and black Sakhir BI-color covers for the front and rear seats of the person .
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