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How to Clean the Injectors on BMW 3 Series

Model: BMW Serie 3 E46 - Years 1998-2006
Part: Fuel injectors

Let's see how to clean the injectors on BMW 3 Series with the appropriate cleaning kit. Lift the hood and secure it with the prop rod, then disconnect the fuel supply hose that leads to the injectors. Connect the pressure gauge and the cleaning kit to the fuel lines; start running the cleaning fluid from the previously connected kit through the fuel lines of the injectors (repeat this process several times). Disconnect everything and start the engine. Reinstall the fuel line leading to the injectors after cleaning them of any dirt and deposits.

Updated on 3 March 2026 by ScegliAuto

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