BMW Z4 2-0i Roadster
Keywords: bmw z4 e85 roadster, z4 roadster, z4, e85, bmw cars, bmw history, bmw engines, bmw news, bmw logo, the ultimate driving machine
Description: The BMW Z4 E85 Roadster, more than any other sports car in the world, embodies the typical roadster.
More than any other sports car in the world, this unique car embodies the typical roadster: The BMW Z4 E85 Roadster thrills the car world through its fascinating sporting dynamism created by a perfect synthesis of a high-performance power unit, the outstanding chassis and suspension, and inВnovative features all round. And not least it is the wonderful design of the BMW Z4 E85 Roadster which makes this car so unique, desirable and a genuine must-have. Four years after its world debut, the BMW Z4 Roadster is making a new, brilliant appearance with new engines.
All new BMW Z4 Roadsters come with a six-speed manual gearbox. The typical strengths of this transmission are the short and crisp gearshift travel, superior running smoothness and precise guidance of the gearshift lever in the middle, with shift forces remaining smooth and consistent at all times. With the six gears coming close together with only small increments in between, and with the large gap between the lowest and highest gear, the driver is always able to choose the ideal gear ratio quickly and smoothly even when driving fast and dynamically.
Automatic transmission in the Z4 Roadster 3.0si and 2.5si comes as a highВlight with shift paddles on the steering wheel. In conjunction with the new set-up of the transmission, this outstanding gearshift gives even the aficiВonade of automatic transmission a dynamic experience of sporting performВance in the Z4 Roadster without having to forego the superior comfort of an automatic gearshift.
Designed and built from the start as an open-air model, the body of the BMW Z4 Roadster is also simply ideal in terms of weight and stiffness: OfВfering 14, 500 Nm/degree of static torsional stiffness, this is the stiffest bodyВshell in the segment.
Apart from thrilling performance and agility in bends, this also means that the BMW Z4 Roadster achieves excellent results in the demanding EuroNCAP crash test: Achieving four out of five possible stars, the car's result is truly remarkable for an open-air two-seater. Indeed, in the 2004 EuroNCAP test, the Z4 Roadster scored 15.64 points for head-on collisions and 16 points for side-on collisions out of a possible maximum result of 16 points in each case, the best figures ever measured on the dummies in a roadster, receiving the EuroNCAP Best-in-Class Award. This means that in practice the Z4 Roadster protects its occupants better than all the cars in this segment tested so far.В In fact the forces and strain acting on the car's occupants are lower than in most cars with a fixed roof.
The BMW Z4 E85 Roadster offers its driver exactly the right chassis and susВpenВsion virtually tailor-made for sports motoring, guaranteeing sheer driving pleasure all the way to the absolute limit. And should the driver ever be so enthusiastic that his sheer driving pleasure reaches the limits to physical stability, sophisticated control systems still guarantee active safety of the highest standard.
The chassis and suspension are designed in terms of their spring and damper action, as well as kinematics and elastokinematics, for superior dynamism, agility and handling. This makes the BMW Z4 Roadster in all its variants most probably the most agile and dynamic roadster in the world. For even more sporting behaviour, the genuine enthusiast moreover has the choice of a sports suspension lowering the entire car by 15 millimetres or 0.59ВґВґ. The runflat tyres featured as standard are specially matched to the sporting character of the BMW Z4 Roadster and now offer somewhat more comfortable suspension qualities without affecting the agility of the car.
Reflecting BMW's consistent philosophy, the chassis and suspension control systems on the Z4 Roadster and the Z4 M Roadster do not serve to upВgrade the suspension as such - simply because the suspension already ofВfers a very high standard - but rather to help the driver master critical situВations when driving to the limit. And indeed, the safety reserves offered by BMW's roadsters are already very substantial to begin with. But this does not stop BMW from offering new, supplementary functions such as Hill Start Assistance, Dry Braking, etc.
Using the integrated Dynamic Traction Control (DTC) function on the BMW Z4 Roadster, the driver is able at the touch of a button to improve traction and, accordingly, the drive power actually conveyed to the road on slippery surfaces such as snow. He is also able to adjust the driving behaviour of the BMW Z4 to higher dynamic requirements, thus capitalising on the sporting qualities of the car. One example is that DTC allows greater slip on the rear wheels whenever appropriate.
The Z4 Roadster features BMW's electromechanical EPS Electric Power Steering highlighting the dynamic and agile set-up of the BMW Roadster. This unique system offers a very high standard of flexibility in its steerВing characteristics, an optimum compromise of the steering damping effect and feedback from the steering, as well as low control forces at low speeds and when manoeuvring. A further important point is the very good centering effect, with the steering wheel returning smoothly and reliably to its zero position. Servotronic, finally, comes as standard.
A new feature is the 17-inch brake system on the Z4 Roadster 3.0i. The particular fortes in this case are extreme stopping power, very good resistance to fading, and optimum long-term brake qualities.
The updated BMW Z4 E85 Roadster continues the characteristic design language of BMW's thoroughbred roadster concept: The BMW Z4 Roadster boasts moderate updates including a modified front section drawn down closer to the road. Other new features are the foglamps and the reflectors so typical of the car.
Benefiting from new tail lights with integrated light conductors as well as more horizontal lines, the modifications at the rear give the car an even wider, lower, and more muscular appearance. Featuring even more sophisВticated, top-quality materials and additional colours, the interior is truly exВquiВsite in its looks without in any way foregoing its sporting, purist character.
The BMW Z4 Roadster offers a lot of space for a car of this kind: The glove compartment, several storage boxes, as well as a large, approximately ten-litre box in the rear bulkhead ensure a high degree of practical value. And whenever required, the variable roof comВВpartment folds up to provide additional space in the luggage compartВment at the rear increasing from an already generous 240 litres or 8.4 cu ft sufficient for transporting two golf sets to 260.
All of BMW's new Z4 Roadsters come with an extremely compact folding roof where the front, rigid section moves down on top of the fabric roof like a cover and locks in position flush with the body of the car. The roof is easy to open and close with one hand; the heated rear window is made of scratch-proof mineral glass.
A fully automatic, electrically operated roof is naturally available as an option also opening and closing from outside by remote control.
The BMW Z4 Roadster comes as standard with dual halogen headlights. As an option - and as a standard feature on the Z4 Roadster 3.0si and the Z4 M Roadster - static bi-xenon headlights ensure maximum high- and low-beam intensity.
The car's position lights are formed by two light conductor rings, this feature so characteristic of the BMW brand now also highlighting the Roadster series.
All Z4 Roadsters come as standard with BMW's two-stage Adaptive Brake Display helping efficiently to avoid collisions from behind: Whenever the driver applies the brakes hard or with ABS intervening, the illuminated areas in the rear lights grow larger and are intuitively perceived by motorists following from behind as a clear sign of an emergency braking manoeuvre. Accordingly, drivers following the BMW will respond appropriately by apВplying the brakes harder in good time and thus benefiting from extra stopВping distance.
Apart from the "basic" audio system, the Z4 Roadster is available with two truly outstanding HiFi systems developed especially for this car. Two naviВgation systems also enable the roadster driver to benefit from BMW's leadВing position in navigation technology. And the final point is that ll of these systems may be combined with virtually all telecommunication features curВrently available.
Photogallery BMW Z4 2-0i Roadster:
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