BMW E23 (1977 - 1986)

The BMW E23 is an automobile platform that was the basis for the first BMW 7 Series luxury car, produced by the German automaker BMW. Replacing the BMW E3 large sedan, the E23 was produced for ten years from 1977 to 1987 and was replaced by the BMW E32 7 Series in 1986. Image File history File linksMetadata Download high resolution version (1024x768, 554 KB) Beschreibung Beschreibung: BMW E23 Quelle: selbst fotografiert Fotograf: Sven Storbeck Licensing File links The following pages link to this file: BMW 7 Series BMW E23 Metadata This file contains additional information, probably added from the digital camera or... Image File history File linksMetadata Download high resolution version (1024x768, 554 KB) Beschreibung Beschreibung: BMW E23 Quelle: selbst fotografiert Fotograf: Sven Storbeck Licensing File links The following pages link to this file: BMW 7 Series BMW E23 Metadata This file contains additional information, probably added from the digital camera or... An automobile platform is a shared set of components common to a number of different automobiles. ... The BMW 7 Series is a full-size luxury vehicle produced by the German automaker BMW. It replaced the New Six models in 1977. ... A luxury car is a relatively expensive car. ... BMW, abbreviated for Bayerische Motoren Werke or in English Bavarian Motor Works, is an independent German company and manufacturer of automobiles and motorcycles. ... The BMW New Sixes were a line of luxury six_cylinder automobiles produced from 1968 to 1977. ... 1992 BMW E32 740i In 1986, BMW introduced the second generation of the 7 series, known internally as the E32. ...

Design and features

All E23 7 Series models (with the exception of the 745i) were built with the 12-valve type-M30 six-cylinder engine as used in the older E3 and E9 cars. Although most E23 engines were fuel-injected, two models (the 728 and 730) were available with a Solex four-barrel carburetor until 1979, when they were replaced by the fuel-injected 728i. Early fuel-injected models used the Bosch L-jetronic system while later models used the more advanced digital Bosch Motronic system. The big six BMW M30 is an inline-6 cylinder engnine built by BMW and used in many of its cars, such as the BMW 535i. ... // Fuel injection is a means of metering fuel into an internal combustion engine. ... Jetronic is a trade name for a type of fuel injection technology marketed by Bosch from the 1960s forward. ... The Motronic system used on Volvo B23ET and B230ET engines is basically Bosch L-Jetronic fuel injection with integrated ignition system control. ...

The E23 7 series cars were very upscale and sophisticated for their time. They were the first BMWs fitted with service interval indicators, a 'check control' that alerted the driver to various system faults, and complex climate control systems. On-board computers and anti-lock braking system (ABS) were optional on early models but later became standard features. A variety of options included leather upholstery, several types of wood trim, power seats, seat heaters, and power windows and mirrors. Later models were fitted with a driver's air bag. Four-speed and five-speed manual gearboxes were available (depending on the year) and an automatic transmission was also available. An anti-lock braking system (ABS) is a system on motor vehicles which prevents the wheels from locking while braking. ... An airbag is a flexible membrane or envelope, inflatable to contain air or some other gas. ... An automatic transmission is an automobile gearbox that can change gear ratios automatically as the vehicle moves, thus freeing the driver from having to shift gears manually. ...

A minor styling update in 1983 affected the 'nose' of the car (the front 'kidney' grilles, valance/spoiler, bumpers etc) as well as the dashboard and instrument panels which received updates plus (in the UK) the 735i received the Motronic 3430cc engine (replacing the 3453cc) and rear suspension modifications as well as numerous other minor changes. In the US, 1984 saw the arrival of the optional 4 speed automatic transmission (replacing the 3 speed unit previously offered), upgraded wood trim above the glove compartment and on the ashtray (previously plastic in all US models), electrically adjustable power seats and larger Michelin TRX radials with special TRX wheels (later standard on all 1985-1987 735i/L7 models) on the 5 speed manual models. The front suspension components of a Ford Model T. Suspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. ... Michelin (full name: Compagnie Générale des Établissements Michelin) (Euronext: ML) based in Clermont-Ferrand in the Auvergne région of France, is primarily a tire manufacturer. ...

Special models

The 745i was a special high-performance model offered in left-hand-drive European markets between 1979 and 1986. It was originally fitted with a specially-prepared 3.2L type-M30 six cylinder engine and a turbocharger. In 1984 the engine grew to 3.4 liters. These cars were all built with automatic transmissions and could be ordered with exotic options such as heated front and rear power seats, seat heaters, water buffalo hide upholstery, and special wood trim options. Air foil bearing-supported turbocharger cutaway made by Mohawk Innovative Technology Inc. ...

A different 745i was built for the South Africa market, perhaps because the turbocharger on the European-market 745i could not be installed in right-hand-drive versions of the car. This car was fitted with the 286hp dual-camshaft 24-valve type-M88 Motorsport engine (with a Bosch ML-Jetronic fuel injection system) as used in the M1, M635i, and M5. 209 of these cars were built between 1984 and 1986, fitted with either an automatic transmission or a 5-speed 'sport' gearbox. Of the 209 cars built 192 were automatics and 17 were fitted with manual gearboxes. A double overhead cam (also called a dual overhead cam, DOHC, or twincam) engine is a type of internal combustion engine where the camshafts that operate the intake and exhaust valves are mounted above the cylinders, and where there are separate camshafts for inlet and exhaust valves. ... The BMW M88/3 is an I6 piston engine. ... The BMW M1 is a supercar automobile, and was the first and only mid-engined BMW. It employed a twin-cam M88/1 3. ... This article does not adequately cite its references or sources. ... The BMW M5 is the high-performance version of the BMW 5-Series automobile made by BMW M GmbH. M5 versions of the E28, E34, E39 and E60 5-Series have been made. ...

BMW South Africa ran one of these 745i models in Class A of the South African Modified Saloon Car Championship, the only motor sport application in the history of BMW 7-series cars.

American-market models

Only the 733i, 735i, and L7 were offered in America. As usual, BMW sold only upscale versions in the American market, with leather upholstery, wood trim, power windows, power sunroof, and other options as standard. These cars were fitted with larger bumpers (to comply with Federal standards), smaller sealed beam headlights, and various forms of emissions equipment that were not found on European-market cars. American-market engines used lower-compression pistons and thus were less powerful than European-market versions. Some features such as ABS were available on European models before they were fitted on American models. Many turbocharged 745i models made their way into America during the height of the grey market in the mid-1980s. The National Highway Traffic Safety Administration (NHTSA, often pronounced nit-suh) is a U.S. Government agency, part of the Department of Transportation, responsible for setting safety standards and verifying compliance by automobile manufacturers. ... A burnt-out sealed beam, broken open to show internals. ... A headlight or headlamp is a light, usually attached to the front of a vehicle such as a car, with the purpose of illuminating the road ahead during periods of low visibility, such as night or precipitation. ... An anti-lock braking system (ABS) is a system on motor vehicles which prevents the wheels from locking while braking. ... Turbocharger Cut-away A turbocharger is a device used in internal-combustion engines to increase the power output of the engine by increasing the mass of oxygen and fuel entering the engine. ... Opel Vectra, imported from Republic of Ireland and registered in Northern Ireland. ...

The L7 was a more luxurious version of the 735i for the American market only. It featured special leather upholstery with leather dashboard and door padding (rather than wood trim) and a variety of optional features as standard. All L7 models were built with automatic transmissions. Modern leather-working tools Leather is a material created through the tanning of hides and skins of animals, primarily cattlehide. ... An automatic transmission is an automobile gearbox that can change gear ratios automatically as the vehicle moves, thus freeing the driver from having to shift gears manually. ...

A brown 733i is given to Winona Ryder by her parents in Reality Bites (1994). Winona Ryder (born Winona Laura Horowitz on October 29, 1971) is an Academy Award-nominated and Golden Globe-winning American actress. ... Reality Bites is a 1994 film written by Helen Childress and featuring the directorial debut of Ben Stiller. ... // November 1 - George Lucas leaves the day-to-day operations of his filmmaking business and starts a sabbatical (while on sabbatical, he wrote the prequel Star Wars trilogy). ...

Models

The following models were produced in this series:

• 725i
• 728
• 728i
• 730
• 730i
• 732i
• 733i
• 735i
• 745i (turbo)
• 745i (South Africa)
• L7

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External links

• Comprehensive Overview of the E23 7 Series at bmwfirst.com