BMW 840ci

Design of the 8 Series began in 1986, with construction starting in the same year. The 8 Series debuted at the Frankfurt Motor Show (IAA) in early September 1989. The 8 Series was designed to move beyond the market of the original 6 Series. The 8 Series however had substantially improved performance, as well as a far higher purchase price.

Over 1.5 billion Deutschemark was spent on total development (2008 USD nearly $1 billion). BMW used CAD tools, still unusual at the time, to design the car's all-new body. Combined with wind tunnel testing, the resulting car had a drag coefficient of 0.29, a major improvement from the previous BMW M6/635CSi's 0.39.

The 8 Series supercar offered the first V-12 engine mated to a 6-speed manual gearbox on a road car. It was also one of the first vehicles to be fitted with an electronic "fly-by-wire" throttle. The 8 Series was one of BMW's first cars, together with the Z1, to use a multi-link rear axle.

While CAD modeling allowed the car's unibody to be 8 lb (3 kg) lighter than that of its predecessor, the car was significantly heavier when completed due to the large engine and added luxury items—a source of criticism from those who wanted BMW to concentrate on the driving experience. Some of the car's weight may have been due to its pillarless "hardtop" body style, which lacked a "B" post. This body style, originating in the United States in the late 1940s, was abandoned by Detroit in the late 1970s.

Sales of the 8 Series were affected by the global recession of the early 1990s, the Persian Gulf War, and energy price spikes. BMW pulled the 8 Series out of the North American market in 1997, selling only 7,232 cars over seven years. BMW continued production for Europe until 1999. The ultimate worldwide production total was 31,062. The base price for an entry-level 8 series in the early 1990s started in the US $70,000 range; $115,000 in 2012 dollars.

BMW 840Ci M62 V8 engine

The 840Ci exists with two different engine packages. The first used the 4 liter M60B40 engine with 286 PS (210 kW) and was produced from mid-1993 to late 1995. From mid-1995, production phased in the newer 4.4 liter M62B44 engine, which had better fuel economy and more torque, though power output remained unchanged.

The 840Ci was available with a 5-speed automatic transmission, though European cars were given the option of a 6-speed manual transmission. The only external features distinguishing the V8 model from the V12 models were the quad round exhausts, which were square in the V12 models. The 840Ci stayed in production until May, 1999.

Source: Wikipedia, 2014

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