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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 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 ...
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 "Hydro-Electric" system (windows, front seat adjustment and convertible top) was standard on 1947 model year. [6] The seat and window assist system became available on GM closed cars (standard on some Cadillac Series 75 models and all Series 60 Specials, commonly called "Fleetwood" beginning with the 1948).
Introduced by BMW in 1992, the technology is now featured in modern electric and gasoline vehicles such as cars, motorcycles, and trucks. [1] [2] [3] CBC is often included under the Electronic Stability Control (ESC) safety feature provided by vehicle manufacturers. [4] CBC uses the vehicle's electronic control unit to receive data from ...
BMW xDrive is the marketing name for the all-wheel drive system found on various BMW models since 2003. [1] The system uses an electronically actuated clutch-pack differential to vary the torque between the front and rear axles. Models with the DPC torque vectoring system also have a planetary gearset to overdrive an axle or rear wheel as required.
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 ...