Bmw z1

Technical data

Technical data BMW Z1 (Manufacturer’s figures except where stated)

BMW	Z1
Produced:	1989 — 1991
Engine:	6-cylinder-inline engine (four-stroke), front-mounted
Bore x Stroke:	84 mm x 75 mm
Displacement:	2494 cc
Max. Power @ rpm:	170 PS (168 hp/125 kW) @ 5800
Max. Torque @ rpm:	218 N·m (161 lb·ft) @ 4300
Compression Ratio:	8.8: 1
Fuel feed:	Electronic fuel injection, Bosch Motronic
Fuel tank capacity:	57 L (15.1 US gal; 12.5 imp gal)
Valvetrain:	SOHC, toothed belt
Cooling:	Water
Gearbox:	5-speed manual rear wheel drive, axle ratio 3.64:1
Electrical system:	12 volt
Front suspension:	McPherson axle, coil springs, stabilising bar
Rear suspension::	Lower trailing arms with diagonal rods, upper wishbones, coil springs, stabilising bar
Brakes:	Disc brakes , power assisted, ABS
Steering:	Rack and pinion steering, power assisted
Body structure:	Plastic body panels on unibody steel chassis with glued-in lower tub
Dry weight:	1290 kg (2844 lb)
Loaded weight:	1460 kg (3219 lb)
Track front/rear:	1456 mm (57.3 in) 1470 mm (57.9 in)
Wheelbase:	2450 mm (96.5 in)
Length:	3925 mm (154.5 in)
Width:	1690 mm (66.5 in)
Height:	1248 mm (49.1 in) (with roof erected: 1277 mm (50.3 in)
Tyre/Tire sizes:	225/45ZR16
Top speed:	220 km/h (137 mph)
0-62 mph:	9.0 seconds
Fuel Consumption (estimate):	REDIRECT Template:L/100km

Interior

Although the unique doors are innovative, larger customers have commented that the high door sills make exits and entries difficult. Additionally, the interior is hand-assembled and may suffer rips and tears after years of use.

The instruments on the Z1 are styled like motorcycle gauges, and the tachometer on the Z1 has a red needle, whereas all other gauges have a white needle.

Технические характеристики BMW Z1

Данные двигателя

Модификации	Объём двигателя, см3	Мощность, кВт (л.с.)/об	Цилиндры	Крутящий момент, Нм/(об/мин)	Тип топливной системы	Тип топлива
2.5	2494	125(170)/5800	Рядное расположение — L6	222/4300	Многоточечный впрыск	Бензин

Привод и трансмиссия

Модификации	Тип привода	Тип трансмиссии (базовая)
2.5	Задний привод	5-МКПП

Тормозная система и усилитель руля

Модификации	Тип передних тормозов	Тип задних тормозов	Усилитель руля
2.5	Вентилируемые диски	Дисковые	есть

Размер шин

Модификации	Размер
2.5	225/45 VR16

Габаритные размеры

Модификации	Длина, мм	Ширина, мм	Высота, мм	Колея передняя/задняя, мм	Колесная база, мм	Объем багажника, л
2.5	3950	1801	1278	1354/1471	2446	261

Вес машины

Модификации	Снаряженная масса, кг	Максимальная масса, кг	Грузоподъёмность, кг
2.5	1250	1460	210

Скоростные показатели

Модификации	Максимальная скорость, км/ч	Время разгона до 100 км/ч, с	Cd (Коэффициент лобового сопротивления)
2.5	225	7.9	0.36

Расход топлива

Модификации	В городе, л/100 км	По трассе, л/100 км	Средний расход, л/100 км	Выброс СО2, г/км	Тип топлива
2.5	12.6	6.7	9.2	218	Бензин

Комплектация

В составе комплектации авто имеется:

• Электростеклоподъемники;
• АБС;
• Кондиционер;
• Передние электросиденья (опционально);
• Подогрев передних сидений (опционально);
• Усилитель руля;
• Электропривод и подогрев зеркал;
• Бортовой компьютер (опционально);
• Противотуманные огни;
• 16-дюймовые литые диски.

Модификации

Название	Тип	Объем	КПП	Привод	До 100 км\ч
Комплектация —
2.5 MT ()	бензин	2494	механика	задний	7.9 сек

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A patchwork of odd ideas

Reading every BMW Z1 review you will know it had multiple cool features and this should not surprise you. After all, BMW Z1 was created in a special facility with hard-working engineers that focused on a single thing — innovation. And that is something Z1 did not lack.

However, it is worth noting the strangest Z1 feature. We might even want to elaborate on it and name a few.

The first one is the possibility to dismantle the car’s body in 40 minutes. According to BMW reps of the time, this decision had to give Z1 owners more freedom to personalize the vehicle’s exterior. For example, if you do not like the engine’s hood, buffer or spoiler, it is not a problem. You simply take it off and replace it with whatever analogues you can find. It looked like coming from James Bond’s cars, but actually Agent 007 drove BMW Z3 that was featured in GoldenEye movie in 1995.

BMW Z1

BMW Z1

Another uniqueness is vertically sliding doors that would open and close momentarily. Engineers were honest when saying that they took the inspiration of unconventional door mechanism from Kaiser Darrin car presented in the 60s. Just like Z1, it also had sliding doors. The only difference is, Kaiser Darrin doors would slide horizontally, unlike in Z1 roadster.

Meanwhile, under the sleek hood, there was an engine that BMW fans are quite familiar with. It was a power plant named M20B25 that could reach 170 HP and 230 Nm torque. These parameters are not as impressive as they could be, but it was an ideal companion for Z1. At least by the standards of those days.

Nine seconds were enough to reach 100 km/h. The only car that could do better was the beloved II gen Volkswagen Golf GTI. However, it was not essential as the companies that worked on improving BMW regularly offered solutions that would enhance the engine’s power, or allow installing power plants of higher capacity.

BMW Z1

BMW Z1

Внешний вид и интерьер

Над внешним видом BMW Z1 работал голландский дизайнер Харм Лагай

Основное внимание также уделялось аэродинамике авто, что позволило достичь хороших показателей в этом плане.  . Передок машины выделяется длинным покатым капотом, интегрированной в кузов оптикой и массивным бампером с компактной радиаторной решеткой

Сзади имеется большая багажная дверь, выпуклый бампер и лаконичная светотехника. Мягкая крыша может складываться в багажное отделение

Передок машины выделяется длинным покатым капотом, интегрированной в кузов оптикой и массивным бампером с компактной радиаторной решеткой. Сзади имеется большая багажная дверь, выпуклый бампер и лаконичная светотехника. Мягкая крыша может складываться в багажное отделение.

Внутреннее пространство Z1 выглядит вполне качественно. Среди особенностей интерьера выделяются:

• Добротные материалы отделки;
• Трехспицевый руль с толстым ободом;
• Функциональная центральная консоль;
• Комфортные спортивные кресла с отличной боковой поддержкой тела.

Modification

German motor tuners Alpina, Hamann-Motorsport, Schnitzer and Kelleners reportedly had programs for the enhancement of the Z1. The Hamann program included a 220 hp 2.7 L or a turbocharged 245 hp 2.5 L engine. Schnitzer did the 2.7 conversion with 200 bhp (150 kW), delivered a 5 stud conversion with bigger brakes and lower suspension in combination with their rennsport wheels. Kelleners’ included a 286–330 hp 3.0 L engine.

Alpina had a special arrangement with BMWS AG to modify BMW Z1s into RLEs, or Roadster Limited Edition. Alpina reports having built 66 of these, although BMW notes that 82 can be tracked through Alpina. The RLE featured an upgraded 200 hp 2.7 L engine, sport muffler, tires, and assorted plaques and stripes. The 0–100 km/h time dropped from 8.4 s to 7.1 s, top speed increased from 219 km/h (136 mph) to 228 km/h (142 mph), and price increased to 116,000 DM.

At least one Z1 has been modified with a 330 PS (325 hp/243 kW) E34 M5 engine.

Short production time

A serial production that has been delayed for a few times began officially in March and lasted a bit more than two years until July .

One year before the start of serial production, BMW reps were glad to see so many pre-orders, which allowed purposefully planning the production.So, how many BMW Z1 were made?

BMW Z1

BMW Z1

Over this short period, BMW produced only 8,000 Z1s. The vast majority of these roadsters (6443 units) were sold in BMW homeland Germany. More than half of all cars rode out of the factory in until one day in 1991, the production of charismatic Z1 was cancelled.

Are you trying to find out, how much is a BMW Z1 worth? Z1’s production came to an end some 30 year ago and this two-seater sports car continues to enjoy popularity today. Finding a Z1 to buy is quite rare and if you are lucky, BMW Z1 will cost $40,000 (35.000 EUR) for average model and expect a price tag of $60,000+ (55.000EUR) for an excellent condition vehicle.

References

1. Oswald, op. cit., p. 258. Production was to commence in June, 1988 but was delayed until March 1989.
2. ↑
3. Brossaud, 1.
4. Brossaud, 10.
5. ↑
6. Oswald, Werner (1. Auflage 2001). Deutsche Autos 1945-1990, Band 4. Stuttgart: Motorbuch Verlag. ISBN 3-613-02131-5.
7. Brossaud, 16.
8. ↑
9. Brossaud, 7.
10. ↑
11. Brossaud, 8.
12. Brossaud, 18.
13. Brossaud, 26-28

• Kittler, Eberhard (1996). Essential Bmw Roadsters & Cabriolets: The Cars and Their Story from 328 to Z3. Bay View Books. ISBN 1-870979-77-X (paperback).
• Zeichner, Walter; BMW (1998). Typenkompaß BMW Personenwagen seit 1952 Erstauflage. Motorbuch Verlag. ISBN 3-613-01873-X (paperback).
• Mueller, Thomas G.; BMW | DIE GROSSE BMW Z1 CHRONIK Erstauflage | publisher = www.edition-weiss-blau.de | year = 2002 |

Production

As mentioned above, BMW only produced 8,000 Z1s. The vast majority of these (6,443) were sold in BMW’s native German market. The country to receive the second-greatest number of Z1s, Italy, received less than 7% of the total sold domestically. BMW was reportedly unable to build more than 10–20 Z1s each day. None were initially sold in North America, although examples have been independently imported since the car’s launch.

There are reports that BMW built 12 Z1s during 1986 and 1987, bringing the total to 8,012 vehicles. However, most sources report the 8,000 figure.

More than half of all Z1s (specifically, 4,091) were produced for the 1990 model year. Seventy-eight Z1s were reportedly used as test mules, although most were later sold without a warranty and, presumably, at a lower price.

The Z1 was available in six exterior colors and four interior colors, although the vast majority (6,177) were red, black, or green with a dark grey interior. Light yellow exterior (fun-gelb in German or fun yellow in English; 133 examples made) or red interior (38 examples made) are the rarest Z1 colors. The colors swimming pool blue and oh-so-orange were reserved for the car’s designers, Bez and Lagaay.

Reportedly, some 1,101 Z1s were delivered without a factory radio installed. In these vehicles, BMWS AG installed an aftermarket Sony radio in its place.

None of the Z1s were sold with air conditioning. The vehicle’s dashboard is very small and there was no room for both heat and cooling units. Some Z1’s were converted using BMW E30 parts to have air conditioning, but reportedly the heater elements had to be removed.

BMW Z1s officially imported to France for sale there have yellow headlights instead of the clear ones found elsewhere.

Construction

Chassis

BMW Z1

The chassis was specially designed for the Z1 and features a number of innovative features: removable body panels, continuously zinc welded seams, a composite undertray, and the unusual dropped doors. Parts of the car (including the engine, gearbox, and front suspension) were borrowed from the BMW E30 325i, but the Z1 remains largely original.

The body was reportedly made from three (or five, depending on the source) different types of plastic and could be removed completely from the chassis. The side panels and doors are made of General Electric’s XENOY thermoplastic. The hood, trunk, and roof cover are GRP components made by Seger + Hoffman AG. The car is painted in a special flexible lacquer finish developed jointly by AKZO Coatings and BMW Technik GmbH.

During the Z1s launch, BMW suggested that owners purchase an additional set of body panels and change the color of the car from time to time. The car could actually be driven with all of the panels completely removed, similar to the Pontiac Fiero. BMW noted that the body could be completely replaced in 40 minutes, although Z1 owners have reported that this may be optimistic.

The entire vehicle was designed with aerodynamics in mind.
In specific, the entire undertray is completely flat and the muffler and rear valance were designed as integral aerodynamic components to decrease turbulence and rear lift. The front end reportedly induces a high-pressure zone just forward of the front wheels to increase front-wheel traction. The Z1 has a drag coefficient of 0.36 C_d with the top up or 0.43 C_d with it down.

Doors

One of the most interesting features of the Z1 is its unusual doors. These doors retract vertically down into the car’s body instead of swinging outward or upward. The inspiration for these doors came from more traditional roadsters which often feature removable metal or cloth doors. Because removable doors did not fit within BMW’s design goals, the retractable doors were installed instead.

Because the body, with its high sills, offers crash protection independent of the doors, the vehicle may be legally and safely driven with the doors up or down, although they are not legal in the U.S.

The windows may be operated independently of the doors, although they do retract automatically if the door is lowered. Both the window and door are driven by electric motors through toothed rubber belts and may be moved manually in an emergency.

Suspension

The rear suspension, called the Z Axle, was specially designed for the Z1. It was one of the first BMWs to feature a multi-link design.

The Z1 was outfitted with 15 in (381 mm) diameter by 7 in (178 mm) wide wheels on both the front and rear, shod with 205/55VR-15 tires.

History

The first example of a Z1 was released by BMW to the press in 1986 and later officially presented at the 1987 Frankfurt Motor Show. Initial demand was so fierce that BMW had 5,000 orders before production began. Unfortunately, demand dropped significantly around 1988 and BMW ended production in 1991. There is speculation that this drop in demand was due to the introduction of the Mercedes-Benz SL (Brossaud, 1) and the early inflated demand from speculative investors. In 1988, however, BMW was quoted as saying that they had 35,000 orders for Z1s.

The BMW Z1 was designed over a three-year period by an in-house division of BMW Forschung und Technik GmbH. The development of the Z1 is attributed to Dr. Ulrich Bez, not to forget the core of his team at BMW Technik GmbH (Alexander Pregl, Rudolf Müller, Lutz Janssen, Wolf-Henryk Menke, Dieter Schaffner, Klaus Faust, Sabine Zemelka and Stephan Stark). Control of the project was turned over to Dr. Klaus Faust when Bez left for Porsche in October, 1988.

BMW considered building an all-wheel drive model but this was later scrapped.

The BMW Z1 was used to develop and debut several technologies. Z1 designer Harm Lagaay mentioned that Z1 production helped generate patents for BMW’s high-intensity discharge lamp, integrated roll-bar, door mechanism, and underbody tray.