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Thread: Put new fuel pump in 535i. Held breath, turned key...

  1. #1
    Join Date
    Jan 2004
    Location
    Near San Francisco, CA, USA
    Posts
    401

    Default Put new fuel pump in 535i. Held breath, turned key...

    And it actually started. Go figure.

    Not too difficult. Worst part for me was cutting off BMW's crimped-on hose clamps. Ruined a brand new $40 pair of diagonal cutters from Switzerland.

    What kind of tool is most appropriate for cutting those things off?

  2. #2
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,839

    Default

    I expand them with a small screwdriver and just pull it off after sliding the hose off. was it a chore to replace the pump? Wheres the step by step?
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  3. #3
    Join Date
    Jan 2004
    Location
    Near San Francisco, CA, USA
    Posts
    401

    Default The step-by-step is on Bruno's site. Not hard...

    You just need to mark all the hoses, so they don't get interchanged. I used masking tape with felt pen marking. It really helps to run the tank down way low. I ran mine down to 48 miles remaining, according to the OBC. This put the fuel level BELOW where the pump is mounted, in the tank.

    I tried expanding those clamps with a screwdriver, but found them too stiff.

    BTW, the new pump makes a whirring noise. The old one made a louder hissing sound, instead of whirring. Unlike Mike Wong's, my old pump showed no visible signs of wear or damage.


    Quote Originally Posted by 632 Regal
    I expand them with a small screwdriver and just pull it off after sliding the hose off. was it a chore to replace the pump? Wheres the step by step?

  4. #4
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    hell i am to the point i reuse them i can get them off so well, theres two types of pinched clamps, one will open if you know how to talk to it, and the other is just squashed closed, both are done in with a pick and screwdriver and closed with diagonal or even better end cutters

    Quote Originally Posted by Warren N.CA
    And it actually started. Go figure.

    Not too difficult. Worst part for me was cutting off BMW's crimped-on hose clamps. Ruined a brand new $40 pair of diagonal cutters from Switzerland.

    What kind of tool is most appropriate for cutting those things off?
    all america wants is cold beer warm cat and a place to take a poop with a door on it

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