BMW 3 NA-agbanwe agbanwe (1982/09 - 1992/03)
Ihe mmetụta ọnọdụ Camshaft na-enyocha ọnọdụ ntụgharị nke camshaft dabere na ọnọdụ crankshaft.A na-ezigara data a na ECU ụgbọ ala, ebe a na-eji ya dozie oge ọkụ na ọrụ nke injectors mmanụ ụgbọala.Enwere ụdị abụọ nke ihe mmetụta Camshaft, Magnetik, na mmetụta Ụlọ Nzukọ.Ụdị magnetik na-emepụta akara AC nke ya (ọzọ nke ugbu a) (sine wave), ma ị nwere ike mata ya site na wires abụọ ya.Ụdị mmetụta Ụlọ Nzukọ na-eji isi iyi ike dị n'èzí mepụta akara ngosi dijitalụ ("square wave," ma ọ bụ gbanyụọ) ma nwee wires atọ.Ka engine na-arụ ọrụ nke ọma, ọnụego nke crankshaft na camshaft kwesịrị ịdị na-emekọrịta ọnụ.