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What does this part do?

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    What does this part do?

    #9 in the photo. Need to determine whether or not I need it for my 02 project.


    "We praise or find fault, depending on which of the two provides more opportunity for our powers of judgement to shine."

    #2
    isnt that a fuel pressure regulator of some sort. im pretty sure you need it or it wouldnt be on there. just my .02.

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      #3
      There is one on the return line and the feed line. I wouldn't think it would be a pressure regulator. Not sure what it is though.

      RealOEM says it's a "Connection Piece". Looks like all it does is connect those two hoses.

      I say get rid of them and if the car doesn't run, put them back in.

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        #4
        Just a guess, but it could be a one way check valve.

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          #5
          Its a fuel accumulator . Toss it .

          E30 M3 / E30 325is / E34 525iT / E34 535i

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            #6
            that is a fuel vibration/ pulsation damper, it smooths out the flow/ pressure coming from the pump's pulses..

            not necessary, but good to have, yet... 40-50 dollars to replace.

            whos going to figure out the easy/ cheap replacement?

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