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The BMW E21 is the first generation of the BMW 3 Series, a range of compact executive cars. The E21 was produced from June 1975 to December 1983 and replaced the BMW 02 Series . The series was exclusively built in a two-door coupé body style (except for convertibles made by Baur).
Sunroof systems may be manual or electric, while most moonroof systems are electric/electronic. Manual sunroofs may be lever actuated, as in venting type pop-ups, manual lever or crank operated for sliding systems. Electric roof systems are usually cable driven by a motor and feature some form of sliding opening.
The BMW M20 is a SOHC straight-six petrol engine which was produced from 1977 to 1993. It was introduced eight years after the larger BMW M30 straight-six engine, which remained in production alongside the M20. [1] The first cars to use the M20 were the E12 5 Series and the E21 3 Series. The initial M20 model had a displacement of 2.0 L (122 cu ...
The Valvetronic system is a BMW variable valve lift system [1] which, in combination with VANOS, allows infinite adjustment of the intake valve timing and lift. [2] [3] The system claims to improve fuel economy and emissions, and negates the need for a throttle body in regular use. [4] First introduced by BMW on the 316ti compact in 2001, [2 ...
Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be mutually exclusive; an engine may be de-tuned with respect to output power in exchange for better economy or longer engine ...
The BMW E30 is the second generation of BMW 3 Series, which was produced from 1982 to 1994 and replaced the E21 3 Series. The model range included 2-door saloon (sometimes referred to as a coupé) and convertible body styles, [ 4 ] [ 5 ] as well as being the first 3 Series to be produced in 4-door saloon and wagon/estate body styles.
The company was founded by Heinz Prechter in Los Angeles, California as the American Sunroof Company in 1965. In 2004, the aftermarket sunroof business was sold to Inalfa, and the company changed its name from American Sunroof Company to American Specialty Cars, with a "new emphasis on handling design, engineering and manufacturing of low-volume niche vehicles".
The BMW E23 is the first generation of the BMW 7 Series luxury cars and was produced from 1977 until 1986. It was built in a 4-door sedan body style with 6-cylinder engines, to replace the BMW 'New Six' (E3) sedans. From 1983 until 1986, a turbocharged 6-cylinder engine was available.