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      12-13-2008, 08:03 PM   #1
mike87
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Official Z4 Technical Specs DataSheet and PRESS RELEASE

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      12-13-2008, 09:17 PM   #2
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Woodcliff Lake, NJ – December 13, 6:00PM EST 2008... Poised to lead its market segment once again, the 2009 BMW Z4 Roadster will make its North American debuts at the 2009 North American International Auto Show on January 11.

Return of a Classic

The classic roadster is back – more powerful and more stylish than ever before. It is the BMW Z4, the only car in its segment combining classic roadster proportions with a seating position moved close to the rear axle, rear-wheel drive, with a retractable hardtop.

The new BMW Z4 offers all the driving pleasure of a BMW Roadster with particularly refined and stylish flair. Driving with the roof down, this two-seater offers a refreshingly intense experience of the sunshine and the wind rushing by – and driving with the hardtop closed it provides all the comfort of a sporting coupe in the premium segment. So through this diversity and wide range of qualities, the new BMW Z4 is the re-birth of the roadster.

The design of the new Z4 comes out through classic details interpreted in new, up-to-date style. This outstanding two-seater offers a unique combination of elegance, agility, and supreme comfort. The aluminum shells of the two-piece lightweight hardtop come to rest in the roof compartment, saving maximum space in the process. Even with the roof closed, the new Z4 retains the proportions typical of a genuine roadster.

To ensure driving pleasure, the new BMW Z4 is offered with two inline-6 engine displacing 3.0 liters: 300 hp in the BMW Z4 sDrive35i and 255 hp in the BMW Z4 sDrive30i ensure truly outstanding acceleration and response at all times.

Comprehensive use of BMW’s EfficientDynamics technologies serves to provide an unparalleled balance of driving pleasure and fuel efficiency. While both models are available with a manual six-speed gearbox, the Z4 sDrive35i is available also with a dual-clutch sport automatic transmission featuring seven gears. The six-speed sport automatic is available on the Z4 sDrive30i. Both sport automatic transmissions feature steering wheel-mounted paddle shifters.

Featuring Dynamic Drive Control as standard, the BMW Z4 enables the driver to choose between three drivetrain and suspension settings at the touch of a button.

Design: the modern look of a classic roadster.


The new BMW Z4 takes on the classic look of the roadster in modern, flowing lines. The car’s proportions are borne out by the long and low-slung engine compartment lid, short overhangs, the long wheelbase and large wheels as well as the low seating position near the rear axle.

The front view features a large, upright BMW kidney grille, wide air intake and the dual round headlights, typical of the BMW brand. All surfaces and lines, including the character lines on the hood, strive towards an imaginary target point on the road ahead.

The side view is dominated by the dynamic flow of the car’s shoulder line connecting the front and rear wheel arches and accentuating the stretched, athletic look of the Roadster. The horizontal orientation of the car’s lines and surfaces at the rear, in turn, emphasizes the sheer width of the new BMW Z4. Further characteristics are the extra-large hood extending far over the wheel arches, the black A-pillars, the gills at the side with their integrated LED direction indicators, as well as the slender rear fixtures with three-dimensional LED-fed rows of light.

Stylish, sophisticated, and typical of a genuine roadster: the interior.

For harmonious unison of the exterior and interior so important in an open-air car, the shoulder line is reflected by the door panels with their unique configuration and flow from front to rear.

The contoured surface to the left and right of the steering wheel incorporates the controls for the lights and air conditioning. These elements are available trimmed in Satin Silver matte, Brushed Aluminum, and Ash Grain Wood, the respective color and trim variant also being used on the center console and door handle.

The standard seats with integrated headrests on the BMW Z4 sDrive35i feature high-quality Kansas leather in a choice of three colors. A fourth choice, Ivory White Nappa leather, is also available as part of the Exclusive Ivory White Leather Package, which includes sport seats and Anthracite wood trim.

An Extended Leather option (Z4 sDrive35i only) adds leather on the upper section of the instrument panel, the doorsills, the sun visors in Black leather as well as the leather-finish door closing handles in upholstery color on the passenger’s side.

The entire range of paintwork colors available on the new BMW Z4 is made up of no less than nine color tones including Orion Silver metallic exclusive to the new Roadster.

Cycling in 20 seconds: the retractable hardtop.

The new BMW Z4 is the first BMW roadster to protect its occupants from wind and weather with a fully retractable hardtop. This two-piece lightweight aluminum shell opens and closes at the touch of a button within 20 seconds. The compact packaging of the folding roof enables the Z4 Roadster to retain the characteristic, slender proportions of its predecessor.

This innovative roof system offers outstanding acoustic and aerodynamic qualities and sets a new standard in the Z4’s segment. Large windows and the high-quality roof lining give the hardtop a light look. Driver and passenger enjoy a bright ambience, generous space, and optimum visibility. Compared with the former model, the side windows are 40% larger, the see-through area in the rear window 52% larger, and all-round visibility increased14% over the previous generation.

The glass rear window in the hardtop is equipped with an electric defroster and the four side windows of the new BMW Z4 may be lowered individually. The higher roofline and larger door openings allow easier and more convenient access with the roof closed.

The retractable roof may be operated either by a switch in the center console or by remote control key fob when equipped with optional Comfort Access. Comfort Access also allows convenient loading and unloading of the luggage compartment with the roof open. To provide access to the luggage compartment in this case, the open hardtop is moved to an interim position facilitating the removal of large objects.

Flexible storage with optional through-loading.

The roof compartment and the luggage compartment are separated from one another by a moveable partition, which may be folded up to increase luggage space if the roof will remain closed.

The moveable partition in the new BMW Z4 is unique in the premium roadster segment, and offers enough luggage space with the hardtop open for a medium-sized hard-shell suitcase.

Using the optional through-loading system to the passenger compartment, the Z4 is able to accommodate a 46-inch full-size golf bag. When the roof is closed the luggage compartment easily accommodates up to four crates of large bottles or – when using the through-loading system – two 46-inch golf bags.

Various other storage compartments are designed into the interior. The new Z4 offers storage trays in the center console, a 10-liter glove box, hinged compartments in the doors, and additional space behind the seats.

Included with the Cold Weather Package is a storage package that provides an even wider range of storage and loading functions, with fastening nets on the rear panels of the seats and in the passenger’s footwell, lashing belts in the luggage compartment, as well as a storage box in the bulkhead leading to the luggage compartment.

Optional through-loading system together with a transport bag ensures even greater versatility, allowing the user to load slender items such as golf bags or two pairs of skis measuring up to 67" in length.

A successful concept with a great tradition: inline-6 engines in the BMW Roadster.


Elegant roadster lines, the BMW kidney grille, and a inline-6 engine form a combination that, in 1934, made the BMW 315/1 an unprecedented success both on the road and in motorsport. That combination has been retained to this day in the BMW Z4.

The new Z4 is therefore being launched exclusively with inline-6 engines, a choice of two engines providing both power and performance. These unique engines exhibit refinement and fast-revving response typical of a BMW six-cylinder, offering an unparalleled balance of performance and fuel efficiency in the premium roadster segment thanks to the BMW EfficientDynamics engineering strategy. The individual versions of the new BMW Z4 come with on-demand management and control of the car’s accessory drives, a variable oil pump, intelligent lightweight technology, and optimized aerodynamics.

BMW Z4 sDrive35i: performance with efficiency thanks to Twin Turbo and High Precision Injection.

The most dynamic version of the new Z4 comes with the world’s first inline-6 engine to feature twin turbochargers, High Precision Injection, and an all-aluminum crankcase.

The use of two turbochargers (each supplying three cylinders) ensures responsiveness never seen before on a turbocharged engine. The engine achieves peak torque of 300 lb-ft without the slightest delay, and maintains this high level of torque throughout a broad rev range from 1,400–5,000 rpm.

Maximum output of 300 hp comes at 5,800 rpm, and the BMW Z4 sDrive35i accelerates to 60 mph in just 5.1 seconds (optional seven-speed double clutch sport automatic transmission in 5.0 seconds). The acceleration continues all the way to an electronically-limited 130 mph (150 mph when equipped with the optional Sport Package).

High Precision Injection is a key element in the Z4’s efficient performance. Injecting fuel directly into the combustion chamber offers a cooling effect allowing a higher compression ratio and optimized combustion efficiency. This second generation of direct gasoline injection developed by BMW ensures significant benefits in fuel efficiency without restricting the dynamic qualities of the engine.

The 6-cylinder normally aspirated engine: powerful and light thanks to magnesium.


Offering spontaneous power and performance, excellent motoring refinement and outstanding efficiency, the 6-cylinder naturally-aspirated engine in the BMW Z4 sDrive30i again offers the very best in its segment. Weighing just 355 lb thanks to its composite magnesium/aluminum crankcase, cylinder head cover made of a special synthetic material and lightweight camshafts with aluminum VANOS control unit, is exceptionally light.

While BMW’s VALVETRONIC engine management controls valve stroke on the intake valves, double-VANOS varies the angle of the intake and outlet valves in an infinite process. This allows particularly efficient use of fuel, providing a “beefy” torque curve and giving the engine instant response.

The engine in the BMW Z4 sDrive30i develops maximum output of 255 hp from 3.0 liters capacity at an engine speed of 6,600 rpm. Maximum torque of 220 lb-ft, in turn, comes at just 2,600 rpm.

With this kind of power, the BMW Z4 sDrive30i accelerates from a standstill to 60 mph in 5.6 seconds (with optional sport automatic in 6.0 seconds). Top speed is electronically limited to 130 mph (150 mph when equipped with the optional Sport Package).

6-speed transmission with short gearshift travel featured as standard.


All variants of the new BMW Z4 come as standard with a 6-speed manual gearbox. Developed specifically for BMW’s new Roadster, the various transmission options are particularly sporting in their character. Indeed, this is borne out in particular by extremely short gearshift travel much shorter than on all other current BMW models with a manual gearshift.

Optional: 7-speed sport automatic with double clutch and 6-speed sport automatic with paddle shifters.


As an option, the BMW Z4 sDrive35i is available with BMW’s newly developed double-clutch sport automatic gearbox. Based on the M DCT transmission introduced in the BMW M3, this 7-speed gearbox ensures faster acceleration and extra performance in comparison with the 6-speed manual gearbox, while providing the comfort features of a BMW automatic transmission. The 7-speed double-clutch sport automatic shifts gears without the slightest interruption of power.

The BMW Z4 sDrive35i with its seven-speed sport automatic accelerates to 60mph in just 5.0 seconds, while fuel consumption is expected to outperform the fuel economy on the same model with a manual gearbox.

Sport automatic gives the driver the choice of either automatic (Program D) or manual gear selection. If desired, the driver may shift gears manually by means of paddles on the steering wheel.

The 6-speed sport automatic transmission available on the BMW Z4 sDrive30i promotes not only driving comfort, but also the sporty performance of a BMW Roadster. Indeed, the characteristics of the car are attributable to the direct connection linking the transmission to the engine, based on modern torque converter technology with an integrated torsion damper, avoiding unnecessary slip and therefore helping to eliminate any loss of power and performance. Even the slightest movement of the gas pedal, therefore, is converted spontaneously into a quick response with gearshift times reduced to a minimum.

The sport automatic transmission offers the driver the opportunity to shift gears manually when desired. Apart from selecting gears via the selector lever on the center console, the driver also has the option to use the gearshift paddles on the steering wheel.

Sophisticated suspension technology, high-performance lightweight brakes
.

Rear-wheel drive, near perfect weight distribution, the long wheelbase and the low center of gravity on the roadster create ideal conditions for supreme agility.

Featuring traditional spring-struts, a “double-jointed” front suspension made largely of aluminum, and a constant-geometry rear axle, the new Z4 comes with proven suspension concepts in a configuration perfectly tailored to the characteristics of the car.

Electric power steering plays a role also in the BMW Z4, enhancing the precision and comfort of steering maneuvers and reducing fuel consumption, since the electric motor for steering power assistance is activated only when required or desired by the driver.

The new Z4 comes with new high-performance brakes, featuring low weight and low brake pad wear. At the same time the BMW Z4 is the first car in its segment to feature an electrical parking brake activated and released by a button on the center console.

Both versions of the new BMW Z4 come as standard on 17-inch light-alloy rims and with runflat tires as well as a Tire Pressure Monitor.

BMW’s standard Dynamic Stability Control (DSC) serves not only to activate the ABS brakes and ensure stability on slippery surfaces by activating the brakes or reducing engine power, but also comprises other functions such as Brake Drying and Brake Standby as well as a Start-Off Assistant. Acting in a similar way to a mechanical limited slip differential, DSC electronic rear brake management is used to simulate a limited slip differential for stronger acceleration in turns.

Activating Dynamic Traction Control at the touch of a button, the driver is able to raise the response thresholds for intervention by the DSC, thus enjoying the option, for example, to set off on loose snow with the drive wheels slightly spinning. And when desired, the driver is also able to deactivate DSC altogether (ABS remains active).

Adaptive M Suspension featuring Electronic Damping Control (EDC).

The agility of the BMW Roadster may be further enhanced by ordering the optional Sport Package featuring Adaptive M Suspension with Electronic Damping Control. A central control unit varies the “compression” and “rebound” stages on the four twin-sleeve gas pressure dampers to provide optimum response at all times. The response time is so fast that a signal coming from a front wheel crossing a hole in the road reaches and re-adjusts the rear dampers even before the rear wheels reach the same uneven road surface.

Comfort and sportiness in one: Dynamic Drive Control.

Dynamic Drive Control allows the driver of the new Z4 to choose the drive characteristics of the car. In addition to changing damper forces on the Adaptive M Suspension, DDC also conditions the responses of the gas pedal, the power steering, and the response thresholds of Dynamic Stability Control. And if the car is fitted with either sport automatic transmission, the adaptive gearshift logarithms are adjusted.

The driver operates Dynamic Drive Control via a button on the center console next to the gear selector. By pressing the button, s/he is able to choose from the NORMAL, SPORT and SPORT+ modes, thus activating a pre-configured, perfectly balanced set-up. The SPORT mode, for example, offers more-direct steering behavior and a more-direct response to the gas pedal. The SPORT+ mode, in turn, serves additionally to activate the Dynamic Traction Control mode of DSC, intentionally allowing slight wheelspin and thus enabling the driver to take a bend in a controlled drift.

Extra space, more safety.

The new BMW Z4 is slightly larger outside than its predecessor, at the same time offering significantly more comfort in terms of space and a lot more loading space: BMW’s new Roadster is 5.8” longer, 0.4” wider, and 0.3” lower. Wheelbase has grown 0.1” to measure 98.3".

Apart from all-round visibility, the interior offers greater headroom (+0.20"), extra shoulder room (+0.79") and more elbow freedom (+1.69"). The door opening, increased in size by 1.02", allows even more convenient access with the roof closed.

The extremely stiff bodyshell, lightweight construction and near 50/50 weight distribution enhance both the safety and agility of the new BMW Z4. High load-resistant subframes, optimum use of crush zones, the extremely stiff passenger cell and highly efficient restraint systems ensure outstanding accident safety. Frontal and head/thorax airbags, belt latch tensioners and belt force limiters are activated by the sensor-controlled electronic safety system as a function of the type and severity of a collision. The head/thorax airbags are integrated on the outside of the seat backrests and inflate over a large surface in the event of a collision from the side.

Making its premiere in the BMW Roadster: the latest generation of iDrive.

The new Z4 is the first BMW Roadster to feature the iDrive control system as part of its optional navigation system. In the new Z4 the iDrive serves to activate all entertainment, information, navigation and telecommunication functions.

The system itself is made up of a Controller on the center console and a folding, high-resolution Control Display on the instrument panel, allowing the driver to intuitively and safely mastermind all available functions.

Pressing the direct selection buttons on the newly configured Controller, the user is able to spontaneously change to the CD, radio, telephone and navigation functions. The range of direct selection buttons has now been rounded off by the three MENU, BACK and OPTION command buttons, and programmable favorite buttons in the instrument panel allow the user to save and directly select radio stations, telephone numbers and navigation destinations, and other menu items available directly through iDrive.

Measuring 8.8 inches in size, the high-resolution Control Display with its resolution of 1,280 x 480 pixels offers excellent clarity in presenting graphics or pages from the internet. A picture of the Controller shown in the Control Display gives the driver greater and clearer orientation in choosing the next step in the operating process.

Using the navigation system is even easier thanks to iDrive. Full-screen map presentation, for example, offers an incomparably detailed overview of the region in which the driver is currently traveling. As an alternative the Control Display also offers an assistance window presenting further highlights and maps independent of the main map.

With navigation data saved on an 80 GB hard disc installed in the car, access times are faster than before. And at the same time the hard disc may also be used as a 15 GB music archive.

Roadster-specific climate comfort and leather with Sun Reflective Technology.


The new BMW Z4 is equipped as standard with air conditioning and seven blower stages. Optional automatic climate control allows separate temperature selection on the driver’s and passenger’s side, individual, automatic temperature control in five stages of intensity, and manual adjustment of air stratification. With the roof open, automatic climate control includes convertible mode.

Like BMW’s Convertibles, the leather in the new Roadster incorporates Sun Reflective Technology. A special, highly innovative type of leather on the seats, interior panels, and steering wheel that significantly reduces the heat effect of bright sunshine: Treatment of the leather in Sun Reflective Technology serves to integrate special color pigments into the material to reflect infrared radiation in the sunlight.

Top-end audio and communication systems.


The audio systems available in the new BMW Z4 set standards in the segment in every respect.

The CD player fitted as regular series equipment also serves to play music files in the MP3 format. The available premium hi-fi system comes with up to 14 loudspeakers and two additional subwoofers for an intense and precise experience in sound, with amplifier output of up to 650 watts. A standard AUX-In port is provided, allowing the integration of various external MP3 player. A 6-disc CD/DVD changer in the glove compartment is also available.

A Bluetooth interface is available in conjunction with optional BMW Assist to offer greater safety and convenience for making telephone calls while driving. To fully integrate the latest smartphones in the car, the new BMW Z4 is also available with a smart phone integration option.

New production plant: BMW Roadster coming from Regensburg.

The new BMW Z4 is built at BMW Plant Regensburg alongside the 3 Series and the BMW 1 Series. This is because BMW Plant Spartanburg, where the former model was built, is concentrating from now on entirely on the production of BMW’s X models.

BMW Ultimate ServiceTM:

Providing owners with incredible value and peace of mind


The 2009 BMW Z4 Roadster will feature BMW Ultimate ServiceTM, a suite of services that includes the BMW Maintenance Program (formerly called Full Maintenance), Roadside Assistance and the New Vehicle Limited Warranty. BMW AssistTM with TeleService is part of the optional Premium Package or can be ordered separately as a stand-alone option.

BMW Ultimate ServiceTM includes:


The BMW Maintenance Program is the only no-cost maintenance program in the industry that covers wear and tear items like brake pads and rotors for four years or 50,000 miles, whichever comes first. BMW owners pay nothing for all scheduled inspections, oil changes, brake pads, wiper blade inserts and other wear-and-tear items.

BMW Roadside Assistance is one of the industry’s most comprehensive plans available. Not only is it no-charge for the first four years, but there is no mileage limit. BMW drivers enjoy the assurance of on-the-road help 24 hours a day, seven days a week, anywhere in the United States, Canada and Puerto Rico. This includes everything from flat tire changes, emergency gasoline and lock-out assistance, to towing, alternative transportation and even trip-interruption benefits. This service also includes valuable trip routing advice.

BMW New Vehicle Limited Warranty: All 2009 BMW passenger vehicles are covered by BMW’s excellent Limited Warranty, which includes:
• New-vehicle warranty – four-year/50,000-mile coverage of the vehicle.
• Rust-perforation warranty – 12-year/unlimited-mileage coverage.

BMW AssistTM provides the driver with services that enhance on-the-road security and convenience, for added peace of mind. The BMW Assist and Bluetooth® System is included in the Premium Package or available as a stand-alone option. BMW includes the Safety Plan for 4 years at no additional cost. BMW is the only manufacturer that offers this duration of service as other manufacturers only include the first year of service. The BMW Assist Safety Plan is a subscription based service that is subject to certain limitations.

The in-vehicle equipment for BMW Assist includes GPS technology and hands-free communication functions to deliver emergency and other services, accessed via buttons in the overhead or center console. The BMW Assist system transmits the location and vehicle information to the BMW Assist Response Center. A response specialist speaks with the vehicle occupants to coordinate dispatch, notify emergency contacts on file, and link BMW Roadside Assistance or emergency services as needed and/or requested. A severe accident automatically activates the Automatic Collision Notification function. The BMW Assist Safety Plan also includes Door Unlock and Stolen Vehicle Recovery services, which can save the owner time and money. New to BMW Assist is MyInfo, which allows users to send business listings and street addresses with associated phone numbers from the internet, directly to their BMW.

TeleService automatically notifies the BMW center when a vehicle will need service. A service advisor then proactively calls the customer to set up a convenient appointment and have the needed parts ready.

BMW Assist subscribers can also enroll in the BMW Assist Convenience Plan (available at an additional cost of $199 per year) to avail themselves of many BMW Assist concierge services, from finding the lowest fuel price or the best French restaurant in the area to information on flight arrival gates or times, as well as receive directions, and traffic and weather information. On 2007 and later models, a selected destination and its phone number can be sent directly to the BMW Navigation system (if so equipped) and the customer’s Bluetooth linked mobile phone, after a push of the Concierge menu option. New for 2009 is BMW Search, which allows those vehicles equipped with both the BMW Navigation and BMW Assist system to gain online access to the Google Maps database inside the vehicle to quickly find a desired business with just a key word. The Convenience Plan also includes Critical Calling, a service that can connect the driver to a requested party via a response specialist in case their mobile phone is not in the vehicle or its battery is discharged.

Lastly, the BMW Assist system includes Bluetooth hands-free phone connectivity with phonebook access and speech recognition for dialing by name or number via the steering wheel controls. Use of this feature requires a customer-provided compatible Bluetooth mobile phone. To learn more about BMW Assist, please visit www.bmwassist.com.

Performance with a conscience
BMW strives to produce its motor vehicles and other products with the utmost attention to environmental compatibility and protection. Integrated into the design and development of BMW automobiles are such criteria as resource efficiency and emission control in production; environmentally responsible selection of materials; recyclability during production and within the vehicle; elimination of CFCs and hazardous materials in production; and continuing research into environmentally friendly automotive power sources. Tangible results of these efforts include the recycling of bumper cladding into other vehicle components; water-based paint color coats and powder clear coats; near-future availability of hydrogen-powered models; and various design and engineering elements that help make BMWs easier to dismantle at the end of their service life.

BMW Group In America
BMW of North America, LLC has been present in the United States since 1975. Rolls-Royce Motor Cars NA, LLC began distributing vehicles in 2003. The BMW Group in the United States has grown to include marketing, sales, and financial service organizations for the BMW brand of motor vehicles, including motorcycles, the MINI brand, and the Rolls-Royce brand of Motor Cars; DesignworksUSA, an industrial design firm in California; a technology office in Silicon Valley and various other operations throughout the country. BMW Manufacturing Co., LLC in South Carolina is part of BMW Group’s global manufacturing network and is the exclusive manufacturing plant for all Z4 models, X5 Sports Activity Vehicles and X6 Sports Activity Coupes. The BMW Group sales organization is represented in the U.S. through networks of 338 BMW passenger car centers, 335 BMW Sports Activity Vehicle centers, 142 BMW motorcycle retailers, 83 MINI passenger car dealers, and 30 Rolls-Royce Motor Car dealers. BMW (US) Holding Corp., the BMW Group’s sales headquarters for North, Central and South America, is located in Woodcliff Lake, New Jersey.
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      12-13-2008, 10:29 PM   #3
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Looks like a great car, especially if they tuned the twin-turbo engine for better responsiveness, but I really hoped for something at least 200 pounds lighter... Wish they offered a soft-top.
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      12-13-2008, 10:44 PM   #4
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Quote:
Originally Posted by MaxL View Post
Looks like a great car, especially if they tuned the twin-turbo engine for better responsiveness, but I really hoped for something at least 200 pounds lighter... Wish they offered a soft-top.
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      12-13-2008, 10:51 PM   #5
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3500 lbs!!?!?

I don't understand, I thought this was supposed to be a sports car?
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      12-13-2008, 11:40 PM   #6
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3500 lbs!!?!?

I don't understand, I thought this was supposed to be a sports car?
Well, it looks like they went the "luxury cruiser" route.
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      12-14-2008, 02:38 AM   #7
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Quote:
Originally Posted by E82tt6 View Post
3500 lbs!!?!?

I don't understand, I thought this was supposed to be a sports car?
I don't know for sure what weight they have given us. If they gave us a standard Din weight it includes a drivers weight of 75kgs and a package weight of about 5 kgs as far as I know and a 90% filled tank. So the weight of the car alone would be 1485kg if you disregard the fuel tank. That MIGHT be an explanation.
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      12-14-2008, 03:58 AM   #8
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Looks like a huge brake upgrade has been done with the new E89 sDrive35i Z4.

348mm front discs with only 17" wheels.

Anyone know if they are still using single caliper units?
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      12-14-2008, 11:59 AM   #9
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powerful and beautiful car!
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      12-14-2008, 12:43 PM   #10
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Will be compelling to see how short this shift really is!? That's one gripe I've had with the current manuals, a longer and more rubbery type feel than some of the others I've enjoyed.


"6-speed transmission with short gearshift travel featured as standard.

All variants of the new BMW Z4 come as standard with a 6-speed manual gearbox. Developed specifically for BMW’s new Roadster, the various transmission options are particularly sporting in their character. Indeed, this is borne out in particular by extremely short gearshift travel much shorter than on all other current BMW models with a manual gearshift."
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      12-14-2008, 12:54 PM   #11
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What's interesting is the fact that the 3.0 twin-turbo from the 135/335 is part of the Z4 offering. If and when they have the M version of this car, will we see a V8 stuffed in there or a some variation on the twin-turbo?
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      12-14-2008, 01:03 PM   #12
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Quote:
Originally Posted by The BMW Press Release
And if the car is fitted with either sport automatic transmission, the adaptive gearshift logarithms are adjusted.
LOL. You mean algorithms, BMW pseudo-techy-marketing-writer dudes.
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      12-14-2008, 01:08 PM   #13
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Quote:
Originally Posted by IS350 View Post
Will be compelling to see how short this shift really is!? That's one gripe I've had with the current manuals, a longer and more rubbery type feel than some of the others I've enjoyed.


"6-speed transmission with short gearshift travel featured as standard.

All variants of the new BMW Z4 come as standard with a 6-speed manual gearbox. Developed specifically for BMW’s new Roadster, the various transmission options are particularly sporting in their character. Indeed, this is borne out in particular by extremely short gearshift travel much shorter than on all other current BMW models with a manual gearshift."
Woah nice find!! BMW never makes big claims, so for them to say something like that must mean its going to be a phenomenal shifter. I cant wait to see/use it!
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      12-14-2008, 01:24 PM   #14
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Quote:
Originally Posted by Saebb View Post
I don't know for sure what weight they have given us. If they gave us a standard Din weight it includes a drivers weight of 75kgs and a package weight of about 5 kgs as far as I know and a 90% filled tank. So the weight of the car alone would be 1485kg if you disregard the fuel tank. That MIGHT be an explanation.
well the spec sheet says "curb weight," and curb weight by definition is the weight of the car topped off with fluids (full tank of gas, etc.), but without passengers. so the sDrive35i w/ the 7-speed is going to be approx. 3500-lbs + anywhere from 120-lbs to 400-lbs depending on your weight (and your passenger's weight if you have one). and it looks like the 6-speed will only be approx. 50-lbs lighter...

i must say i'm not that surprised at the weight figures after witnessing the introduction of the pig-like 135i (it barely weighed less than the 335i). that being said, its ridiculous how heavy these things are if you get one with the N54 powerplant. perhaps they'll debut an ///M version of the new Z4 down the road that isn't so heavy...
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      12-14-2008, 10:19 PM   #15
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amazingly looking car but, very heavy for a roadster IMO.
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      12-14-2008, 11:38 PM   #16
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Where's info on the LSD/active diff?
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      12-15-2008, 10:14 AM   #17
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It's so great!!!

So the weight is not for a sport car!
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      12-15-2008, 06:08 PM   #18
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i think they are reserving the lighter sportier dynamics for the Z2 but w/lesser powerplants...e85 ftw for enthusiasts...right in between

but the e89 will definitely sell better to the public!! I would buy it if I were in my 40's! <--their target group
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      12-16-2008, 02:03 PM   #19
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i would really like to see the z2 =)
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      12-24-2008, 06:23 AM   #20
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Is there also technical data available from the sdrive 23i?
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      12-26-2008, 09:31 AM   #21
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Already found it myself http://www.bmw.nl/nl/nl/newvehicles/...ical_data.html
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      12-29-2008, 11:48 PM   #22
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IMO the new Z4 is approx 200kg heavier than it should be. The MX5 prht is approx 1150kg, so the Z4 with larger dimensions, bigger engine and all the necessary bits that go into supporting a bigger car, should from what i can see be only 200 kg heavier than an mx5.
In the end you can go so far to disguise mass, but then again Nissan's GTR has just pushed the envelope.
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