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Mechanical fuel injection, 'K' stands for German: "Kontinuierlich", meaning continuous.Commonly called 'Continuous Injection System (CIS) in the USA. K-Jetronic is different from pulsed injection systems in that the fuel flows continuously from all injectors, while the fuel pump pressurises the fuel up to approximately 5 bar (73.5 psi).
From 1975 onward they used the K-Jetronic mechanical fuel injection system, a less complicated system that proved to be much more reliable in the long run with injectors costing significantly less than those used on the D-Jetronic system. The W116 equipped with the K-Jetronic system used a cast-iron fuel distributor which can be prone to rust ...
The M110.984 was the first engine with the new Bosch K-Jetronic injection. This system is mechanical. The air that is taken in is weighed to then determine the amount of fuel to inject. Power output: 130 kW (177 PS; 174 hp) at 6000 rpm up to April 1978; 136 kW (185 PS; 182 hp) at 5800 rpm from April 1978. Applications: 1975-1981 280E (W123)
In 1974, Bosch introduced the K-Jetronic system, which used a continuous flow of fuel from the injectors (rather than the pulsed flow of the D-Jetronic system). K-Jetronic was a mechanical injection system, using a plunger actuated by the intake manifold pressure which then controlled the fuel flow to the injectors. [55]
The 911E and 911S used mechanical fuel injection (MFI) in all markets. The 911T was carbureted, except in the United States and Japan where it also used MFI, which accounts for the 10 hp (7 kW; 10 PS) power difference. In January 1973, U.S. 911Ts were transferred to the new K-Jetronic CIS (Continuous Fuel Injection) system from Bosch. These CIS ...
The KE Jetronic system varied from the earlier, all mechanical system by the introduction of a more modern engine management "computer", which controlled idle speed, fuel rate, and air/fuel mixture. The final car of the 18 years running 107 series was a 500SL painted Signal Red, built on 4 August 1989; it currently resides in the Mercedes-Benz ...
This was combined with a special Ruf-built gearbox with a longer fifth gear, along with a Bosch K-Jetronic fuel injection system and front mounted oil coolers, thus achieving the desired fuel efficiency whilst maintaining a higher power output than the donor car (17.3L/100km). The SCR did require high octane ("Super") petrol rather than the ...
The 520i used the Kugelfischer mechanical fuel injection system from the 2000tii and 2002tii until 1975. [28] From 1975, it was fitted with a mechanical continuous Bosch K-Jetronic port injection. [29] The 518i (only sold in Sweden and Japan), 528i, and 530i (only sold in the US and Japan) have a Bosch L-Jetronic port injection. [12]