Kugelfischer

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Kugelfischer injection (also called System Kugelfischer) is the name for a mechanical fuel injection (MFI) pump. It was produced by FAG Kugelfischer and later by Robert Bosch GmbH^[1] Derived from diesel pumps from the early 1960s, the Kugelfischer system was a mechanical injection pump for performance vehicles. ^{[citation needed]} It was among the first units with manufacturer-customizable fuel delivery maps which used rpm, throttle position, temperature, and sometimes barometric pressure as inputs. This was accomplished mechanically, not electronically, using cones (irregularly shaped, two-dimensional cams) to encode the maps.^{[citation needed]}

In the late 1960s and early 1970s, it was fitted to a variety of production vehicles from BMW, Ford UK, Lancia, Peugeot - 404 and 504 between 1961 and 1983, and others. ^{[citation needed]} It is perhaps best known for its use by BMW in the 2000tii/2002tii (and later, the 2002 Turbo) from 1970 to 1975, the 1964–1976 Porsche 911/911S/Carrera RS/RSR/Carrera MFI, and the BMW M1 supercar from 1978 to 1981. ^{[citation needed]} Due to high manufacturing cost however, it became economically undesirable with the introduction of cheaper electronic engine management systems (and continuous-injection mechanical systems) by the end of the decade. ^{[citation needed]} However, the Kugelfischer system continued to be used as a specialty injection pump for purpose-built race engines into the 1980s such as the 1982 Porsche 911 SC/RS.^{[citation needed]}