The model is the second generation of the Z4 family. The car debuted in 2009 at the North American International Auto Show, already in the late spring of the same year the car went on sale. The variant BMW Z4 E89 with a rigid folding roof replaced the models E85 roadster, as well as E86 in coupe body.

Production of the Z4 E89 is established in Regensburg, Bavaria. Assembly of the model was moved from America to Germany due to the use of specialized parts made of aluminum in the design of the car. In addition, the development of a rigid folding roof required large investments and the latest technologies.  Production of the car BMW Z4 E89 stopped at the end of summer 2016, it was replaced by the model Z5.
Sportcar BMW Z4 II will be a worthy competitor to Audi TT, Infiniti G37, Nissan 370Z, Mercedes SLK.

Appearance

BMW Z4 E89 2009 – 2016 is produced in a single roadster body. The exterior of the model was developed by German designer Giuliana Blasi. She managed to preserve the features of the sports car and, at the same time, introduce inherently recognizable elements of the company. In general, the car has acquired modernity and sportiness.

In addition, the exterior of the BMW Z4 Roadster is characterized by aggressiveness thanks to the appearance of the double radiator grille. The narrowed shape of optics adds to the predatory look. Compared to its predecessor, the sports car has lost the smoothness of the body. The surface has received a lot of facets, giving the car an impetuous look, and powerful wheel arches show the solid sporty character of the model.

BMW Z4 car catches the eye in the city stream due to its versatility and unique design. The exterior of the car is characterized by swiftness, a long rounded hood, a passenger capsule located in the rear. On the whole surface of the body part there are notches. The rear part of the sports car has acquired new lines, which added elegance to the car. Updated taillights complete the elegant image.

The main feature of the exterior of the BMW Z4 convertible is a folding rigid roof, due to which the car has significantly increased in mass. It allowed the car to become universal in any season of the year: both in summer and winter. The car will need no more than 20 seconds to turn from a roadster into a coupe. The roof has two sections and also has electro-hydraulic control made of aluminum alloy. Juliana Blasi so competently thought out the nuances of exterior design that even with the lowered roof of BMW Z4 roadster does not lose its individuality and recognizability. Manufacturers emphasize on practicality of the roof and providing maximum visibility. The rear window is wide, and the side windows can be lowered individually. The torsional rigidity of the updated BMW Z4 E89 is 18,000 NM/degree with the roof folded down.

The BMW Z4 Todster is 4,239 mm long, 1,790 mm wide, and with the inclusion of side view mirrors, it is increased to 1,951 mm. The height of the sports car is 1291 mm. The size of the wheelbase is 2496 mm. The ground clearance of BMW Z4 II is 13 cm. For BMW Z4 convertible suitable disks of diameter 17-18 inches. The capacity of the fuel tank is 55 liters.

Among the shortcomings of the body of BMW Z4 convertible, the occurrence of extraneous noises when tilting the roof of the car
is noted. Nevertheless, the mechanism is reliable, however, it is periodically recommended to lubricate the hinges. In addition, owners note the leakage of rear headlights due to a weak seal. The problem is eliminated by complete replacement of the structure. At the initial stages of operation of the BMW Z4 convertible, the body is not subjected to corrosion. If there is rust on the body surface, you should be wary, most likely, the car has been in an accident.

Interior

The luxurious interior of the BMW Z4 is also designed in a sporty style.  The interior was developed by Designwork USA under the leadership of designer Nadia Arnaud. Despite the fact that a girl’s hand is applied to the interior decoration, femininity in the salon is not noticed. Torpedo is shifted closer to the driver’s seat. Panel trim is characterized by a large number of aluminum inserts.

The driver can see the dashboard, made in a strict style. Motorists will be pleased with a soft, voluminous, three-spoke steering wheel that sits comfortably in the hands. On its surface there is a control panel with various functions. The instrument panel is digital, gives enough information for a comfortable trip of the driver.
On the center console, the color display of the iDrive multimedia system catches the eye. Under the screen are the climate control and audio control units.

The roadster has a powerful audio system with fourteen speakers. Drivers will appreciate the presence of USB connectors, the ability to connect Bluetooth. Navigation is equipped with an 8.8-inch display with a hard disk. The system BMW Connected Drive allows you to determine the geolocation of the car, if necessary to call the repair service.
The interior of the BMW Z4 is characterized by high-quality finishing. Plastic, leather, aluminum, alcantara are used as materials. In general, inside the car is very bright due to a wide area of glazing. Extended doorways are provided for comfortable seating for people of any build.

The sports car is designed for two people. Seats are made in a sporty style, there is a lot of electric adjustments with memory of settings. In addition, leather seats are treated with a composition that allows to reflect solar glare. Due to the enlarged roof in the cabin of BMW Z4 the free space has expanded. Taller drivers and passengers feel particularly comfortable.

The luggage space of the BMW Z4 E89 varies depending on the position of the roof. When the roof is closed the capacity is 180 liters, the open roof allows to increase the luggage space up to 310 liters. Under the raised floor of the sports car is the battery. Due to the fact that this model of the car has run flat tires, there is no spare wheel.

Engine

For the domestic market, the roadster is equipped with four variations of gasoline powertrains. The iDrive20i and iDrive28i modifications are equipped with a four-cylinder two-liter motor (N50). The BC consists of an aluminum alloy and two balancer shafts. The motor design features 16 valves, direct fuel injection, turbocharging, variable valve lift height Valvetronic 3. In the iDrive20i configuration, the motor squeezes out up to 184 horses. The iDrive28i modification boasts a maximum 245 horses. The average fuel consumption of the engine does not exceed 6.8 liters per 100 km.

To increase the power characteristics, the owners of the roadster resort to chip tuning. Stage 1 will allow the engine to produce up to 280 koni. Stage 2 together with intercooler, downpipe can increase the power up to 300 horsepower. It is worth remembering that tuning these motors leads to rapid wear of the design.
Among the most common problems of the motor are vibration of the unit, which is the cause of contamination of injectors. In case of floating revolutions, it is necessary to clean the throttle or idle valve. Increased fuel consumption indicates problems with the flow meter.

Modifications sDrive35i and sDrive35is equipped with a six-cylinder three-liter unit N54. The engine is equipped with BMW TwinPower Turbo, has an aluminum BC, an updated cylinder head with a variable valve timing system on the intake and exhaust. In addition, the unit has direct fuel injection, there is no Valvetronic valve lift height modification function.  The sDrive35i version is capable of producing up to 306 horses, while acceleration to one hundred takes only 5.1 seconds. Modification sDrive35is shows a maximum of 340 horses. The motor accelerates to a hundred in 4.8 seconds. The average fuel consumption of the BMW Z4 3.0 engine is 9.1 liters of gasoline per 100 km of travel.
According to owners’ reviews, the main problems concerning this engine are associated with malfunctions of the high-pressure fuel pump. The defect manifests itself in insufficient power. The problem is solved by replacing the fuel pump.

After restyling of BMW Z4, the line of motors was replenished with another gasoline engine. Modification sDrive 18i was equipped with a two-liter unit N20. The inline motor is equipped with turbocharging, has an aluminum BC, two balancer shafts. The cylinder head with the function of changing the valve lift height Valvetronic 3, also the motor is equipped with direct fuel injection. As the test drive showed, the engine squeezes out up to 156 horses, tuning Stage 1 allows you to increase the power to 280 horses. Firmware on Stage 2 gives more than 300 horsepower. The engine is quite economical, the average fuel consumption does not exceed 6.8 liters. The resource of the power plant, as noted by owners, is more than 250,000 kilometers, which is quite a decent indicator.
On average, the time of acceleration of power units to 100 km is within 4.8-6.9 seconds at a maximum possible speed of 232-250 km / h depending on the modification.
For BMW Z4 roadster motors it is recommended to pour engine oil viscosity 5W30, 5W40. Filling volumes vary within 5-6,5 liters depending on the engine. The oil should be changed every 10,000 km or at least once a year.

Technical specifications

The engine in the BMW Z4 is located longitudinally. The car is rear-wheel drive. BMW Z4 has excellent characteristics of dynamics due to competent distribution of axle loads, as well as lightweight suspension made of aluminum. Two-liter engines are equipped with a six-speed manual transmission, for three-liter engines a seven-range automatic transmission is offered.

The steering wheel of the roadster is characterized by the presence of an electromechanical amplifier. In addition, according to owners’ reviews of the BMW Z4 E89 2009 – 2016, the convertible is equipped with high-quality, reliable brakes, as well as a DSC system.

The suspension of the roadster is independent. In front, a double wishbone of the McPherson type is installed, in the rear – a multilever. Passive shock absorbers are provided as standard.
Optionally available steering wheel with variable characteristics, as well as adaptive chassis. The wheels are equipped with ventilated disc brakes.

Electronics

The BMW Z4 E89 will delight owners with a host of electronic systems. In addition to a multimedia system, a bot computer with many functions, there is Efficient Dynamics and Drive Dynamic Control. Also, if desired, you can get a heated steering wheel, Hands Free system, navigation Professional, heated and electrically driven seats.

Even the base BMW Z4 roadster is equipped with quality safety systems. These include Brake Assist, ABS, belt tensioners and limiters. The convertible is also equipped with four airbags and ESP with traction control.

Options

The base BMW Z4 is equipped with four airbags, ABS systems, xenon optics, air conditioning, audio, automatic parking brake, key card. There are also seat belts with pretensioners and limiters, reinforced side window frame.

Optionally, for an additional cost, the motorist will be offered high beam control, allowing automatic switching of high and low beam. Also optional are adaptive cornering lighting, front and rear parktronics, tire pressure detector. Additionally, you can get heated steering wheel, heated seats, power seats, advanced navigation, and a wind protection system.

Design packages Pure Traction and Pure Balance allow you to correctly and tastefully emphasize the main elements of the exterior and interior of the car. Sport M package allows you to feel like a driver of a racing car due to sporty design of seats, leather steering wheel, suspension features and aerodynamic characteristics.

Difference between restyling and prerestyling

In 2013, the BMW Z4 convertible underwent a facelift. The car received an update of the front optical system, LEDs appeared, the design of taillights, turn signals was improved. Design Pure Balance, Pure Traction, Pure Impulse, Fusion Design were added to the basic option packages of BMW Z4 roadster. The buyer was offered to combine them with the M Sport package.

At the request of the motorist, the design of the roof of the car in black or silver shade is offered. Also, manufacturers have introduced a new color solution Valencia Orange.

As for the powertrains of BMW Z4 E89 restyling, there is added modification sDrive 18i, equipped with an engine N20, capable of producing up to 156 horses.  It is worth noting the strengthening of the roof hydraulics. This measure allows you to fold and unfold the roof, moving at a speed of 40 km / h.

Generations and configurations

2 generation – restyled

03.2013 – 04.2017

sDrive 20i MT N20B20 2.0L 184 hp
sDrive 20i AT N20B20 2.0L 184 hp
sDrive 28i MT N20B20 2.0L 245 hp
sDrive 28i AT N20B20 2.0L 245 hp
sDrive 35i MT N54B30 3.0L 306 hp
sDrive 35i AT N54B30 3.0L 306 hp
sDrive 35is AMT N54B30 3.0L 340 hp

2 generation

01.2009 – 02.2013

sDrive 20i MT N20B20 2.0L 184 hp
sDrive 28i MT N20B20 2.0L 245 hp
sDrive 23i MT N52B25 2.5l 204 hp
sDrive 23i AT N52B25 2.5l 204 hp
sDrive 30i MT N52B30 3.0L 258 hp
sDrive 30i AT N52B30 3.0L 258 hp
sDrive 35i MT N54B30 3.0L 306 hp
sDrive 35i AT N54B30 3.0L 306 hp
sDrive 35is MT N54B30 3.0L 340 hp
sDrive 35is AMT N54B30 3.0L 340 hp
Categories: Z4

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