2008 BMW M3 Coupe E90 US Version
About the Car
2008 BMW M3 Coupe E90 US Version
BMW once again proves there is nothing inherently slow about evolution with the introduction of the 2008 BMW M3 Coupe, fourth in the line of compact sport coupes that set the standard in minimizing any compromises between race-inspired performance and luxury and convenience. Sharing the high-revving 414-horsepower V8 and balanced chassis designed to be “faster than its engine,” this spring the motorsports arm of the German automaker, BMW M GmbH offers the most powerful, best performing series production M3 to the North American market. You can find more visual details of the 2008 BMW M3 Coupe [US] gallery by scrolling up.
Racing provided the reason for the original BMW M3‘s 1986 creation as the company had to produce road-going homologation versions of its BMW 3-Series Coupe to enter the motorsports version in the German Touring Car Championship. Popularity, proven by strong sales demands, provided the impetus to continue developing the M3, making it both a better performer and more inviting road car as it evolved along with the underlying 3 Series, the company’s most popular, upon which it is based.
In 1988 North Americans received their first taste of the high-rpm, naturally aspirated 2.3-liter four-cylinder BMW M3 Coupe 192-hp and thus was born a legend on this side of the Atlantic. The next generation arrived in 1995 with a 3.0-liter (and later, 3.2-liter) 240-hp inline-six powerplant. In 1997 the first BMW M3 Sedan joined the family and the first BMW M3 Convertible followed shortly thereafter. The most-recent version, available from 2001-2006 as either a coupe or convertible, again was offered with six-cylinder power, this time providing 333 hp from its 3.2 liters. This vehicle was BMW’s first use of SMG (Sequential Manual Gearbox) for the U.S. market.
The all-new 2008 BMW M3 Coupe and BMW M3 Sedan features the first V8 in a series-production BMW M3, and cost $57,275 and $54,575 respectively. It also features driver-adjustable settings for crucial dynamic controls encompassing engine response, steering, damping and stability (with an available steering-wheel-mounted “MDrive” button to store the preferences), and a sporting interior that can be optimized to the driver’s desires including the comprehensive entertainment/navigation system operated through BMW’s latest iDrive controller.
Lightweight, efficient V8 at the heart of the BMW M3
The move to eight cylinders in the fourth generation BMW M3 provides a powerplant offering the seemingly disparate characteristics of more power, increased efficiency and reduced weight when compared with the previous six-cylinder M3 engine. Displacing 3,999 cubic centimeters (4.0 liters), the new light-alloy engine produces 414 hp at 8,300 rpm and 295 pound-feet of torque at 3,900 rpm with 85 percent of the maximum torque available consistently through 6,500 rpm. This power output represents a 24% increase over the six-cylinder from the last generation M3 and it comes with a 7% weight saving. Compression ratio is dialed in to 12.0:1 and redline is set at 8,400 rpm.
The V8 engine of the new BMW M3 Coupe boasts the company’s variable double-VANOS camshaft management. Offering extremely fast and responsive valve timing, this technology reduces charge cycle losses and improves the output, torque and response of the engine, with a positive influence on fuel economy and emission management.
A separate throttle butterfly for each cylinder – eight in this instance – is a feature adapted from BMW M’s racing heritage and provides immediate reaction to the gas pedal at all times. Two stepper motors operate the four throttle butterflies on each row of cylinders, giving the engine a particularly sensitive response at low speeds together with an immediate reaction whenever the driver presses down the accelerator for extra power and performance.
A volume flow-controlled, pendulum-slide cell pump supplies the engine with lubricating oil, delivering the quantity required by the engine. Wet sump oil lubrication, optimized for dynamic performance, ensures consistent oil supply to the high-rpm engine at all times, particularly in extreme braking maneuvers. The system features two oil sumps-a small oil sump in front of the front axle subframe and a large oil sump behind it.
A new, comprehensive electronic management system coordinates all engine functions with optimum efficiency and maximizes operational integration with the clutch, gearbox, steering and brakes. In addition, the engine control unit performs a wide range of on-board diagnosis functions and masterminds the ancillary engine units.
A highlight of the engine management system is the use of ion-current technology to determine engine knock as well as misfire and poor combustion events within the cylinders. In contrast to conventional methods, this monitoring and control function is performed precisely where the phenomena occurs-within the combustion chambers. The spark plug in each cylinder senses and controls the risk of knocking, at the same time monitoring the correct ignition and recognizing any misfiring. In other words, the spark plug acts as an actuator for the ignition and as a sensor monitoring the combustion process, and is therefore able to distinguish between a misfire and poor combustion. This dual function of the spark plugs facilitates the diagnostic procedures required in service and maintenance.
And the increased performance with better economy comes from the lightweight engine. At 445 pounds, it is 7% or 33 pounds lighter than the previous model’s Inline-6. Lightweight components do not stop with the alloy engine block. The crankcase is made of a special aluminum-silicon alloy eliminating the need for cylinder liners. Despite the need to resist high combustion pressures and engine speeds-this is the “fastest” production engine ever produced by BMW as it can reach 8,400 rpm-the engineers managed to keep the compact and rigid crankshaft weight down to 44 pounds.
You can find more visual details of the 2008 BMW M3 Coupe [US] gallery by scrolling up.
2008 BMW M3 Coupe [US] Front View 3/4
Manual transmission, twin-disc clutch and Variable M Differential Lock
Power from the BMW M3 Coupe’s V8 is transmitted to the rear wheels through a close-ratio six-speed manual gearbox. The performance parameters of the M3 dictated heat management as a key design factor for both the transmission and clutch. The transmission features integrated temperature-dependent oil cooling management, while internal ventilation maximizes heat dissipation for the twin-disc clutch.
The new final drive comes with a Variable M Differential Lock generating up to 100 percent locking action with fully variable action whenever required, ensuring optimum traction on all road surfaces. Responding to differences in speed between the right and left rear wheel, the Variable M Differential Lock also offers ideal support further enhancing the positive features and characteristics of rear-wheel drive.
Optional M double-clutch transmission with Drivelogic
In addition to the traditional 6-speed manual transmission, the new M3 is available with a unique 7-speed double clutch gearbox specially designed for a high-rpm engine. The M double-clutch transmission with Drivelogic (M DCT Drivelogic) shifts gears without the slightest interruption in the flow of power. As a result, M DCT Drivelogic is able to extract the most performance possible from the car while also providing a smooth comfortable shift from one gear to the next.
The process of shifting gears is basically the same as on BMW’s proven Sequential M Gearbox, meaning that even when shifting gears manually there is no need for a clutch paddle and the driver may keep the gas pedal on the floor during the shift process.
The Drivelogic control offers 11 different shift programs to suit the needs of individual drivers. Drivelogic offers 5 programs that allow for automatic operation of the transmission as well as 6 manual programs. Manual operation can be performed via a new sports shift lever exclusive to the BMW M3 or via paddles on the steering wheel (pulling the right-hand paddle to shift up, the left paddle to shift down).
In its gearshift characteristics, the new M double-clutch transmission with Drivelogic is ideally matched to the fast-revving V8 engine in the new BMW M3. M DCT Drivelogic which made its debut on the 2008 M3 Convertible and is available as an option on the BMW M3 Coupe (and Sedan) soon afterwards.
Engineering a chassis which is “faster than the engine”
Providing sure-footed responsive handling for a high-performance, powerful and luxurious coupe, while keeping mass under control, presented numerous challenges for the BMW M3’s engineers. The result is a new, aluminum chassis developed specifically for this model. The design begins with placing components in such a way as to create a 50/50 front/rear weight balance.
Virtually all of the front-end components are aluminum, including the front struts, swivel bearings, central subframe and an additional thrust panel below the engine serving to maximize lateral stiffness of the entire front section.
From the rear axle subframe through the transverse arms and track arms, to the wheel mounts re-configured in their kinematics and stiffness, to the mounting points for the longitudinal arms and the aluminum dampers, virtually every detail on the five-arm rear axle is made of aluminum and is new for this model. These weight-reduction measures and materials help reduce weight by approximately 5.5 pounds when compared to the previous BMW M3.
Both the front and rear axles feature hollow anti-roll bars optimized for their function and weight. Incorporating two additional longitudinal reinforcement bars, axle kinematics are perfectly tailored to the overall character of the car. The result, in terms of both stability and weight, conforms to the balanced performance concept of the BMW M3 Coupe.
Compound brake system
A suitably powerful braking system for a car with this much performance was specifically developed for the new M3. The internally-vented, cross-drilled cast iron discs measure 14.2 inches in diameter at the front and 13.8 inches in the rear. Featuring large compound disc brakes and electronic anti-lock, stopping power for the new BMW M3 is strong, precise and consistent. They are connected to a floating aluminum hub by cast-in stainless-steel pins. This configuration reduces the thermal loads on the discs, thus increasing their performance and service life. An electrically-driven pump provides the system’s vacuum power.
Service – and safety – is enhanced thanks to an integrated wear indicator which, through a dash display, allows the driver to monitor the condition of the brake linings. Brake service can thus be administered when necessary without guesswork.
Standard M-style light-alloy spoked wheels measure 18 x 8.5 inches with 245/40 low-profile tires at the front and 18 x 9.5 with 265/40 tires at the rear, can be supplemented by optional 19-inch versions in comparable widths and design.
You can find more visual details of the 2008 BMW M3 Coupe [US] gallery by scrolling up.
2008 BMW M3 Coupe [US] Rear View 3/4
Servotronic steering with two manually adjustable control maps
Rear-wheel drive keeps the rack-and-pinion steering of the BMW M3 Coupe free of drive forces. A further enhancement is hydraulic Servotronic power assistance controlling steering forces as a function of road speed. There is also a choice of two different control maps activated through normal and sport modes with a console-mounted button.
In Sport mode the BMW M3 provides direct and immediate response with a relatively high steering effort. In the Normal mode, power assistance is comfort-oriented and requires less steering effort.
Latest-generation of Dynamic Stability Control
The electronic Dynamic Stability Control (DSC) monitors driving conditions and intervenes through the application of brakes and reduced engine power to stabilize the BMW M3 and help avoid major over- or under-steer situations.
In addition to engine controls and the ABS, other systems integrated in the DSC are Automatic Stability Control (ASC), which prevents the wheels from spinning on surfaces with reduced traction; the Start-Off Assistant, which prevents the car from rolling back when setting off on a grade, as well as Cornering Brake Control (CBC), which prevents the car from spinning or swerving out of control when applying the brakes in a bend.
The latest version of DSC includes additional functions for even greater driving safety. Whenever the driver is likely to apply the brakes in full within the next few seconds, the system builds up pressure in the hydraulic brake circuit and pre-loads the brake pads to ensure an immediate response. The Brake Drying feature removes water film from the discs in wet conditions, thus reducing the chance of water interfering with the initial braking process.
Electronic Damper Control recognizing the driver’s style of motoring
The optional Electronic Damper Control (EDC) allows the driver to tailor the vehicle’s chassis dynamics to his or her preference through one of three modes: Sport, Normal and Comfort.
The response of all dynamic driving systems is carefully tailored to the power and performance of the new BMW M3, with electronic intervention of the various systems naturally taking the dynamics of the car into account. Indeed, the driver even has the option to individually configure specific parameters, thus adjusting the response of the car to his personal preferences.
The result of these many improvements to the chassis and suspension produced clear results on the race track with the new BMW M3 significantly outperforming the lap times of previous generations on the Nordschleife of Nürburgring, where all BMW M Cars are put through their paces for their ultimate test.
Interior design oriented an active driving experience with luxury
The interior of the BMW M3 has always been a place designed for performance driving, but without compromising the comfort of the driver and the passengers. The new BMW M3 Coupe continues this tradition with the latest innovations. The four seats are surrounded by powerful contours and flowing lines highlighting in particular the concave and convex surfaces. The horizontal lines dominating the area around the dashboard as well as the harmonious surfaces of the side linings give the interior a dynamic note.
The cockpit control area tapers out between the front seats into a newly designed center console which discreetly “swings” towards the driver. Finished in black leather, the console harmoniously continues the instrument surrounds and the control area in terms of both color and shape, comprising three function switches (Power, DSC, and optional EDC) for activating and deactivating the electronic driving programs on the side facing the driver.
Apart from the clear design and optimum ergonomic arrangement of all controls and instruments, the choice of colors inside the new BMW M3 Coupe helps the driver concentrate on driving. Regardless of the upholstery and trim color, the footwells, parcel shelf, headliner, A-pillar trim and the upper part of the instrument panel are all finished in Anthracite. This uniform, dark color scheme around the windshield helps the driver focus on driving.
There is no question as to the heritage of the vehicle upon opening the door of the new BMW M3 thanks to the M car logo in the door sills. The unique nature of the vehicle carries to the dash where the dual circular instruments typical of BMW – the speedometer and fuel gauge as well as the tachometer and oil temperature display – are in specific M style. A feature typical of BMW M cars is the variable warning zone on the tachometer that informs the driver of the recommended engine speed depending on the engine oil temperature. The borderline between the yellow pre-warning zone and the red warning zone moves up as a function of increasing oil temperature to the maximum limit of 8,300 rpm. The digital displays presenting the time, the outside temperature and odometer, as well as the various warning lights, are positioned between the two circular instruments.
The M3’s leather steering wheel, with its thumb contours resting firmly in the driver’s hands, provides an optimum grip for precise movement of the steering wheel. The spokes within the steering wheel incorporate the remote control buttons for the audio system and mobile phone, as well as the optional MDrive button. An additional auxiliary button may be programmed through the optional BMW iDrive system.
As an option, both the front seats are available with backrest-width adjustment, while the rear seats may be equipped with folding seatbacks which provides the 15.2 cubic foot luggage compartment even greater capacity.
A premium AM/FM/single-disc CD audio system comes standard with an auxiliary input jack. Individual entertainment options include SIRIUS satellite radio, HD radio and a USB-enabled port for control of an Apple iPod or iPhone media player. These three options can be bundled together in the Technology Package, should one choose to have them all together.
For vehicles equipped with Navigation, the comprehensive information and entertainment systems are controlled by the refined BMW iDrive. Selecting the Navigation/iDrive option also brings the performance-oriented, steering-wheel-spoke-mounted M drive button.
You can find more visual details of the 2008 BMW M3 Coupe [US] gallery by scrolling up.
2008 BMW M3 Coupe [US] Front View 3/4
Safety begins with the body structure and continues inside
Occupant safety begins with the design of the new BMW M3’s body structure. Together with defined deformation zones, the use of high-strength steel ensures smooth and direct transmission of forces in a collision and optimum absorption of loads acting on the car. The space available for deformation is also used to avoid any damage to the passenger cell and keep damage to the body itself to a minimum, even in a severe collision.
The electronic restraint systems are tailored to the ultra-strong structure of the body. Six airbags as well as the belt latch tensioners and belt force limiters are activated by the car’s central safety electronics as a function of the type and severity of a collision. Sensors located in the center of the car within the B-pillars and in the doors “tell” the safety electronics which component offers the occupants optimum protection, with the “proper” restraint systems being activated in the event of a collision.
The driver and front passenger are protected by frontal and side airbags housed in the seat backrests. These four airbags are activated in two stages, depending on the severity of the impact. Through its size alone, the curtain head airbag protects the car’s occupants on both the front and the outer rear seats. And the risk of leg injury in a head-on collision, finally, is reduced on the driver’s side by defined deformation of the footrest.
You can find more visual details of the 2008 BMW M3 Coupe [US] gallery by scrolling up.
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