They were produced between 1977 and 1987 as a four-door sedan with four-speed automatic and manual transmission, three-speed automatic transmission and five-speed manual. They had a six-cylinder engine and a turbocharged between 1983 and 1986. It was the first model with warning lights, anti-lock braking system, front suspension, and onboard computer. Most of the cars were with M30 engines with fuel. Model 728 and 730 were with Solex four-barrel carburetor and Bosch L-Jetronic fuel injection. They were with an in-car cellular telephone, leather interior and power windows. In 1983 was added a facelift, spoiler and kidney grilles. The engine was changed to M30B34. In 1984 was introduced the 4-speed automatic transmission, electrically adjustable seats, and expensive new tires. In Japan were introduced only 735i, 733i, and L7 with power sunroof, leather interior and cruise control with smaller engines. L7 was built with only an automatic transmission. Special editions were also issued. 745i was produced between 1979 and 1986 with M102 with 3.2 liters based on M30-straight-six. It had 252 hp. In 1982 it was updated and had 3.4 liters Motronic fuel injection. They were manufactured with an automatic transmission either 3 or 4 speed. Gasoline fired heater, burl wood trim, and heating for the seats was updated. 745i was introduced in South Africa with M88 engine, naturally aspirated, with 286hp. It was manufactured between 1983 and 1987 mostly with automatic transmission.
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