BMW E34

All 5-Series models featured the following :. 1988 was the final model year for the Fiero. It featured a highly tuned straight-6 engine, originally a 3.6 L, but later increased to 3.8 L. The 4-cylinder and more powerful V6 were standard fare and the car largely escaped recall issues. The M5 version of the E34 was produced from 1989-1995. The chassis was never a Lotus design though - it was all Pontiac. gallon (17 to 14 L/100 km) city and 23-29 mpg (U.S.) (10 to 8 L/100 km) highway. The 1988 Fiero brought a new suspension design, thought by many to strikingly resemble the soon to be acquired Lotus Corp's.

All version had the same 0-60 mph time of 6.4 seconds, and could get 14-17 miles per U.S. Improved headlight motors appeared in 1987. The normal 540i had 302mm x 28 mm (11.9 in) fixed rotors front and 300 mm x 20 mm fixed rotors back. The car was offered in blue but was otherwise externally unchanged from the preceding three models. Only 20 of these cars were built, all with a manual transmission. The 4-cylinder's power rating increased to 98 hp (73 kW) with some major modifications which included a roller cam. Canada also got a special version – the M540i, which was similar to the American 540i Sport but had even more M5 parts, such as 345 mm floating front rotors, 18 inch wheels, and various trim pieces. 1987 had minor modifications to the front fascia on the "base coupe" (the same nose also to be found the following year on the new Formula model), with the SE & GT models keeping the same "Aero" nose.

200 of these cars were built, 135 with a 6-speed manual and the remainder with the automatic transmission. Models equipped with the 4-cylinder engine remained largely unchanged. This is not just the usual "sport package" which includes firmer suspension and sport seats, but a 540i that used many parts from the M5, but not the engine and transmission. Also offered late in the production year, was a 5-speed Getrag transmission (coupled only to the V6 engines). There was a rare 540i Sport model built in 1995. 1986 was the first year the fastback was offered. BMW then introduced Alusil linings for this engine, which solved the problem. Further on, the exterior design of the Indy Fiero would be incorporated into the production line as the new GT.

In America, this made both susceptible to premature engine wear, as high sulfur content in some fuels resulted in deterioration of the linings. The 4-cylinder engine (known as the "Iron Duke") was now paired with the Japanese designed Isuzu 5-speed (also produced at the Muncie, Indiana plant). Both the E34 BMW 530i and 540i shared the M60 engine, which used Nikasil bore linings. The V6 was paired with a modified Muncie 4-speed transmission. Its large, torquey engine, upgraded brakes, and optional 6-speed transmission (offered in 1995) made it very competitive in the sports sedan market. A Chevrolet 2.8 L 140 hp (104 kW) V6 engine was put into the car, satisfying most critics of the base power plant. It was available in both sedan and touring models. In 1985, the problem with insufficient power was first addressed, much to the satisfaction of the general public.

In 1993 BMW added a 4 liter V8 to the 5-Series lineup. Approximately 2,000 of these vehicles were sold. It was also offered in a touring version. The 1984 was the only year in which the Limited "Indy 500" edition, consisting of an Indianapolis 500-themed option package on SE-model vehicles, was offered. The 530i replaced the 535i model in 1994, switching from an inline-6 to the new BMW M60, a DOHC, 3.0 liter V8 engine producing 218 hp (160 kW). The car also proved uncomfortable for some drivers due to the lack of power steering. Options:. In an effort to sell the car as being economically sensible, GM equipped and sold the Fiero as a commuter car but the marketing build up leading to initial release indicated anything but a regular commuter car.

Standard Equipment: Air Conditioning, AM/FM Cassette with 10 speakers, Rear Defroster, On-Board Computer, Leather Interior, Driver's side airbag (after 1990), 4-wheel anti-lock brakes Power:. The year was also critically condemned for producing underpowered commuter cars. With 5-Speed Getrag manual transmission:. 1984 was the first production year for the Pontiac Fiero, which began production in August 1983 for the 1984 model year. The dash and doors are covered in matching vinyl along with chrome trim to add to the luxury.
. The interior features standard leather seating and door panel inserts. The Getrag is generally accepted to be the stronger one, but both are used without failure on high torque V8 engine swaps.

The 60-0 mph (97 to 0 km/h) stopping distance of 130 feet (40 m) was the best of any production sedan in 1990. Isuzu and Getrag-produced 5-speed transmissions were available, depending on model and equipment. The 535i was one of the safest cars on the road during its production, providing airbags, 4-wheel anti-lock brakes, and a very rigid body structure to protect occupants in the event of an accident. The V6 on the 1985 model and part of the 1986 production year came with a 4-speed with a final drive ratio of 3.65. gallon (17 to 14 L/100 km) city and 23-29 mpg (U.S.) (10 to 8 L/100 km) highway. The 1984 production line saw two transmissions, a performance 4-speed with a final drive ratio of 4.10, and an economy 4-speed with a final drive ratio of 3.32. The car can get 14-17 miles per U.S. All 4-speed manual transmissions were built at the Muncie, Indiana Allison plant.

Only 5% of total production 535i's were 5-speeds. Automatic Transmission Final Drive Ratios:. Despite the 535i designation, the M30 engine found in the E34 535i was actually 3430cc. All automatic-equipped Fieros were equipped with the TH125 three-speed with torque converter lockup. Production of the E34 535i was discontinued in North America in 1993, replaced by the 530i and 540i models. A large following of owners still exists with many web pages, groups, and clubs devoted to the car. The E34 535i was introduced in Europe as a 1988 model but was not available in North America until 1989. The 1984 Fiero was the Official Pace Car of the Indianapolis 500 for 1984, beating out the new 1984 Corvette for the honor.

The middle differential normally divides 36% torque to the front axle and 64% to the rear axle, but can alter the ratio according to driving conditions (in case one of the axles starts to slip). The Fiero 2M4 was on Car and Driver magazine's Ten Best list for 1984. It features a computer-controlled rear and middle differentials. Additionally, a multitude of different General Motors engines have been installed by enthusiasts, from the Quad-4 engine to the Chevrolet small-block V8. It was available both as a sedan and a wagon (touring version). Due to an abundance of replacement parts available from other General Motors vehicles, there are many upgrades that can be done to improve performance and reliability of the cars. The 525iX was the only four-wheel drive version in the E34 series. The Fiero has a strong following of owners and customizers today.

A further revision of the 525i engine took place in 1993, when VANOS was added to the M50 engine which was designated the M50TU. However, the vehicles left today have most certainly been serviced by GM during the recall. Also in 1991, the engine was switched from the single overhead cam M20 engine to the double overhead cam M50 engine, raising power to 189 horsepower (141 kW). They were purchased by GM by the ton, not by quality. The 525i was built throughout the E34 production, and in 1992 was offered as a wagon (touring version) in America. The fires in the 2.5 L engine were due mostly to poorly made connecting rods. It is still considered one of the most reliable BMWs made. GM technicians blamed these borrowed parts for the engine fires (which was not entirely true) that resulted from a number of mechanical design flaws.

The E34 was among the most reliable luxury cars on the market, earning the best-in-class reliability rating from intellichoice in 1991. For example, some of the front suspension was taken from the Chevrolet Chevette[1] (the rear being partially from the GM X-body cars). The E34 also had a much stiffer body and was streamlined than its predecessor, looking very much like the BMW E32 7-series. Budget constraints on Pontiac forced them to borrow parts from other product lines. BMW's traditional FR layout and straight-6 were used, providing the smooth engine and optimal weight distribution BMW customers had come to expect. Officially, production ended due to insufficient profits. The cars were a blend of BMW tradition and modern technology. By the end of production, the Fiero had received updated suspension and body styling, but kept a limited offering of engines—the use of turbochargers or the newer DOHC straight-4 engines never made it to production.

The 525i used the BMW M20 engine as was used on the BMW E30 325i; the 535i used the larger M30 engine. The sports car potential of this car was greatly reduced due to cost-cutting however, and came under fire from critics—its publicity did not match its initial performance. In 1989 the E34 succeded the BMW E28 with two models. The Fiero was modified slightly, borrowing many parts, into a performance vehicle. The cars were also available earlier than in America. The Fiero was also the first and only two seater Pontiac ever made, until the 2006 introduction of the Pontiac Solstice. While North America received only the 525i, 525i Touring, 535i, 530i, 530i Touring, 540i, and the M5, the European market also got the E34 518i, 520i, 6-cylinder 530i, and diesel 525td/s. The public, however, had other ideas for the only mid-engined car ever mass produced in North America.

While Europe was given a large selection of engine choices and combinations, the North American market was more limited. Due to a "cool" reception by GM mangement and accountants, it was finally sold to GM as a fuel-efficient commuter car. . The Fiero was designed by Hulki Aldikacti as a Pontiac sports car. It replaced the BMW E28 in 1988 and was replaced by the E39 in 1996, although E34s were still being sold in 1996. . The BMW E34 is the version of the BMW 5-Series automobile built from February 1988 to 1995. The Pontiac Fiero was a mid-engine sports car built by the Pontiac Motor Division of General Motors from 1984 to 1988.

302 mm x 22 mm (11.9 in) fixed rotors front and 300 mm x 20 mm (11.8 in) fixed rotors back. 1987-1988: 3.33. Drag coefficient = between 0.30 and 0.32, depending on model. 1984-1986: 3.06. Trunk capacity = 16.2 ft³ (0.46 m³). V6