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BMW 7 Series (E23)

BMW 7-Series (E23)
Bmw e23 Park.jpg
Overview
Manufacturer BMW
Production 1977–1987
285,029 built
Designer Paul Bracq
Manfred Rennen (1974)
Body and chassis
Class Full-size luxury car (F)
Body style 4-door sedan/saloon
Layout FR layout
Powertrain
Engine 2.5 - 3.2 L M30 6-cyl
3.5 L M90 6-cyl
3.5 L M88/3 6-cyl
3.2 L M102 6-cyl turbo
3.4 L M106 6-cyl turbo
Transmission 4-speed manual
5-speed manual
3-speed automatic
4-speed automatic
Dimensions
Wheelbase 2,795 mm (110.0 in)
Length 4,860 mm (191.3 in)
5,014 mm (197 in) (US bumpers)
Width 1,800 mm (70.9 in)
Height 1,430 mm (56.3 in)
Curb weight 1,470–1,629 kg (3,241–3,591 lb)
Chronology
Predecessor BMW E3
Successor BMW E32

The BMW E23 is the first generation of the BMW 7 Series luxury cars, and was produced from 1977 to 1987. It was built in a 4-door sedan body style with 6-cylinder engines, to replacing the BMW E3 sedans. From 1983 to 1986, a turbocharged 6-cylinder engine was available.

In 1986, the E23 was replaced by the E32 7 Series, however the E23 models (called L7) remained on sale in the USA until 1987.

The E23 introduced many electronic features for the first time in a BMW, including an on-board computer, service interval indicator, a "check control panel" (warning lights to indicate system faults to the driver), a dictaphone and complex climate control systems. It was also the first BMW to offer an anti-lock braking system (ABS), a driver's airbag and a new design of front suspension.

All models were powered by a straight-six petrol engine, with the majority of cars using the M30 engine. Most E23 engines were fuel-injected, however the 728 and 730 models of 1978-1979 used a Solex four-barrel carburetor. The fuel-injected models initially used the Bosch L-Jectronic system, until the 1979 732i, which was the first BMW to use the Bosch Motronic fuel-injection system.

Options included leather upholstery, wood trim, power seats, seat heaters, reclining rear seats, power windows, power mirrors, an in-car cellular telephone and rear-armrest radio controls.

The 1983 model year facelift (produced from September 1982) included styling changes to the front of the car: the 'kidney' grilles, valance/spoiler, bumper bars, etc. Inside the car, the dashboard and instrument panels were also updated. The rear suspension was updated and the 735i engine changed from the M90 to the M30B34.


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Wikipedia

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