Official: 2012 Bmw M135i or how to put 320 hp in a three-door hatch

Article by Christian Andrei, on May 13, 2012

Bmw also unveiled today the M135i, a sporty version of the 1-Series three-door version powered by a 3.0-liter straight six-cylinder petrol engine. As expected, the engine is fitted M Performance TwinPower Turbo technology and delivers 235 kW/320 hp and 450 Nm of torque. Furthermore, M135i is capable to hit 100 km/h (62 mph) 5.1 seconds (automatic: 4.9 seconds) and has a top speed of 250 km/h (155 mph).

Average fuel consumption in the EU test cycle is 8.0 litres (7.5 litres)/100 km while the CO2 emissions level is 188 grams (175 grams) per kilometre. The engine uses a six-speed manual transmission with dry sump lubrication, while an eight-speed automatic sports transmission with gearshift paddles integrated in the steering wheel is available as an option.

Regarding its looks, the M135i comes with an with an M front bumper with large air intakes with horizontal struts in Ferric Grey metallic in order to keep the engine cool, and a rear apron with integrated air diffuser finished in Dark Shadow metallic featuring dual exhaust pipes. Moreover, the design is completed by the exterior mirror caps in Ferric Grey, specially contoured side skirts and 18-inch M light alloy double-spoke wheels.

The interior features exclusive cloth Hexagon/Alcantara upholstery, an M leather steering wheel with blue accent stitching, BMW Individual roofliner in Anthracite, interior trim in Aluminium Hexagon with matt Estoril Blue or high-gloss black accent lines gear selector and handbrake with leather gaiters, M driver footrest, speedometer and rev counter with red chronoscales.

Press Release

BMW M135i

The performance potential of the BMW M135i is reflected in its individual exterior and interior design features, which are integral parts of the series equipment in this BMW M Performance automobile. The body details are typical of a car designed to handle the aerodynamic requirements associated with dynamic, high-performance driving situations - it is such details that convey the unique M style and flair. The front apron is typical of M styling that reflects the car's firm and responsive road handling, with the large air intake vents needed to meet the cooling demands of a high-performance straight six-cylinder engine, auxiliary units and oversized brakes. The competitive character of the car can also be seen in the three-dimensional flaps on the outer air vents, a detail inspired by automobile racing. These air inlets take up the space reserved for the fog lights in the other versions of the three-door BMW 1-Series. They are separated by horizontal struts in Ferric Grey metallic - a design detail that distinguishes BMW M Performance cars.

In addition to the BMW Individual high-gloss Shadow Line and the exterior mirror caps in Ferric Grey, the specially contoured side skirts and 18-inch M light alloy double-spoke wheels with mixed tyres intensify the side profile of the BMW M135i. The rear apron, the lower portion of which is finished in Dark Shadow metallic, also encloses the dual exhaust pipes.

Furthermore, the door sill finishers with aluminium inserts that feature "M135i" lettering match an interior design that expresses the joy of sheer driving pleasure. The interior details include exclusive cloth Hexagon/Alcantara upholstery, an M leather steering wheel with multifunction buttons and blue accent stitching, the BMW Individual roofliner in Anthracite, interior trim in Aluminium Hexagon with matt Estoril Blue or high-gloss black accent lines, gear selector and handbrake with leather gaiters, M driver footrest, speedometer and rev counter with red chronoscales. The colour of the interior lighting is variable, and the car key features blue detailing.

Engines: the straight six-cylinder petrol engine with M Performance TwinPower Turbo for the BMW M135i tops the engine line.

This power plant enhances the wide selection of engines available for the new compact three-door BMW 1-Series. At the same time, it is an essential component of a portfolio that positions BMW M Performance automobiles at the top of the performance segment. The BMW M135i is powered by a straight six-cylinder engine with M Performance TwinPower Turbo technology, which is known for its spontaneous performance and high revving, plus a level of efficiency that is remarkable in this performance class. The technology package includes a TwinScroll turbocharger, direct High Precision Injection with central multi-hole injectors, VALVETRONIC variable valve control and Double VANOS variable camshaft timing. This 3.0-litre engine delivers a maximum power output of 235 kW/320 hp at 5 800 rpm. This impressive power results from the maximum torque of 450 Nm that is available between 1 300 and 4 500 rpm.

The BMW M135i sprints from 0 to 100 km/h in just 5.1 seconds (automatic: 4.9 seconds) and reaches a top speed of 250 km/h - the top limit permitted by the vehicle's electronic speed control system. Average fuel consumption in the EU test cycle is 8.0 litres (7.5 litres)/100 km, and the CO2 emissions level is 188 grams (175 grams) per kilometre. The exclusive power train for the compact BMW M Performance car also features a customised cooling system, M performance control and engine sound tuning, plus a newly developed six-speed manual transmission with dry sump lubrication. A dynamic eight-speed automatic sports transmission with gearshift paddles integrated in the steering wheel is available as an option.

The BMW M135i: maximum agility combined with unparalleled precision thanks to M-specific suspension tuning.

Model-specific suspension technology allows the BMW M135i to exploit the performance of its uncommonly powerful engine, allowing the driver to experience remarkably self-assured, exhilarating driving dynamics. Thanks to the individual control of the suspension and damping systems as well as the specific elasto-kinematics of the front axle, the BMW M Performance vehicle is able to indulge the driver with a set of particularly sporty driving characteristics. In addition, its Variable Sports Steering system determines its own set of characteristics. The harmonious interaction of engine, suspension and aerodynamic balance rewards with a fascinatingly agile driving experience, under the precise control of the driver at all times.

The BMW M Performance vehicle is delivered with a fixed calliper M Sport Brake System with four-piston units on the front axle and two-piston units at the rear as standard equipment. The system is fitted with oversized brake discs and dark blue metallic callipers bearing the M logo. The M Sport Brake System is also available on all of the other models in the new BMW 1-Series three-door sedan range, in combination with the optional M Sport Package.

The standard 18-inch M light alloy wheels on the BMW M 135i are fitted with tyres of differing sizes: 225/40 R18 on the front axle and 245/35 R18 on the back. The high grip tyres, designed specifically for this model, guarantee that both the acceleration torque and the braking torque are optimally transmitted to the road surface.

DSC Driving Stability Control with additional features, optimised weight and comprehensive passenger protection.

The standard Dynamic Stability Control system DSC includes the anti-lock braking system (ABS), the Dynamic Traction Control system (DTC), the Cornering Brake Control system (CBC) and the Dynamic Brake Control system (DBC). These capabilities are now complemented by additional features such as the Brake Assistant, Fading Compensation, Dry Braking functionality and a Hill Start Assistant. In DTC mode, the response thresholds of the driving stability control system are automatically set at a higher level. This makes pulling away on loose sand or in deep snow far easier. In addition, controlled slippage on the drive wheels gives the vehicle the ability to dynamically oversteer when negotiating bends. When DSC mode is off, the Active Differential Brake (ADB-Sport) on the rear axle is activated. To optimise traction during acceleration in tight bends, a carefully calculated braking force is applied to any drive wheel which the system detects as slipping, to enable the remaining drive wheel on the axle to continue to power the vehicle forwards.

The principle of intelligent lightweight design, upon which the construction of the body is based, greatly enhances both the agility of the vehicle and the safety of its passengers. The targeted use of high-strength and ultra-high tensile grades of steel increases the torsional stiffness of the body, as well as the strength of the passenger safety cell, at an optimised weight. With large, generously dimensioned deformation zones and precisely calculated load paths, the considerable forces which are generated in a collision are absorbed and directed away from the passenger compartment. Standard safety equipment includes front airbags, side airbags integrated into the seat backs, head airbags for both the front and the rear seats, three-point automatic seatbelts fitted to all seats, belt force limiters and belt tensioners for the front, and ISOFIX child seat mountings in the rear.

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