BMW E12 (shch-.seriyes 1972-1981) - 518, 520, 520i, 525, 528, 53н, M53п

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at first "five" had only four-cylinder engines. These were model 520 and 520i, the latter was equipped with the system of injection kugelfischer, whose raisin was in the fact that there adapted the direct fuel injection and, correspondingly, fuel high-pressure pump (TNVD). Yr later, afterward premiers, during September 1973, light saw modification 525, which had 6- drum engine and light convexity on the cowling. 190 During June 1974 came into being the cheapest modification of "five" - 518. But during January 1975 came into being the most expensive and most powerful modification of "five" - 528, that had the respectively 6- drum motor with a volume of 2,8 liters, which issued 165 hp. But during August of the same year, to model 520i instead of the bulky and complex system of injection kugelfischer, was placed that only appearing then new in modes 2d5 the fir tree of the mechanical fuel injection of firm Bosch - K -Jetronic. During August 1977 the top- version of "five" - 528i obtains the newest electronic fuel injection system Bosch L -Jetronic, and 6- drum motor is placed on model 520. With one and the same volume and propellant feed system (carburetor Solex В1), 6- drum motor issued on 7 hp more, truth it lost on the torque. On all models lateral mirror is transferred on the new mode into the front triangle of door. The sensors of the wear of the brake shoes of front disk brakes in series are established from September 1978 to all models.

Based on materials www.audi-bmw.com

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