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E46General discussion and technical help for 1999-2004 3 series cars.
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Any benefits form the fuel system cleaner and carbon deposit remover such as Lubro-Moly Jectron ($7) and the Ventil-Sauber ($5). I ordered the set from Autohausaz and hopefully it works well. Anyone????
Whenever you hit the fuel system with the "strong solvents" you should always change the fuel filter. I hit mine twice a year with Techron and change filter right after that tankful. I use STP gas treatment about once a month through winter & maybe twice during spring->fall. It just keeps the system clean and you can never trust the quality of the stuff coming from the pumps. I guy I met in Orlando has an '89 E34 with 360k on his ride & it has original injectors and they're like new using the above routine.