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Thread: BMW X3 E83 Fuel Pump Replacement

  1. #26
    Join Date
    Jan 2019
    Location
    Joplin mo
    Posts
    1
    My Cars
    Bmw x3 2005-2006
    This was a night mare... there is a tab at the top of the canister you can see you have to feel for it its on top right in the center push that to relase the can i had to push hard anough to bend it back a little then it popped free and then there is a return hose that just pops out with a bunch of wiggling

  2. #27
    Join Date
    Sep 2006
    Location
    Michigan
    Posts
    13,674
    My Cars
    2005 325Xi
    Quote Originally Posted by 91e34M5 View Post
    Not saying that this couldn't be the problem, but my pre & post cat o2 sensors are original making them 12 years old with 172,000 miles. I had a full diagnostic about 2 months ago and all the sensors were within spec.
    +1

    14-year old E46 with 270k running on original O2 sensors.
    Quote Originally Posted by B4SH View Post
    If anyone knows, it's this guy who knows literally nothing about everything.
    Quote Originally Posted by fcvapor05 View Post
    Do you even OT? The mean 401k around here is probably about $6, what with all the shiny cars and $1,000 watches and donations to get other members' Volvos running.


  3. #28
    Join Date
    Aug 2019
    Location
    Atlanta,GA
    Posts
    2
    My Cars
    2008 BMW X3
    "The two lugs at the bottom of this picture need to be pressed in and the chamber will lift out with a bit of effort." I am trying to get the pump out of my X3 and I don't see any "lugs", know what they are, or see them in your photo. Can you help? Thanks!

  4. #29
    Join Date
    Aug 2019
    Location
    Atlanta,GA
    Posts
    2
    My Cars
    2008 BMW X3
    Thanks for posting! The last photo helped big time! Although I still don't know what the retaining lug is, I used a bent screwdriver to push where the arrow was and the pump came free. The new one went in easily and snapped into place without me trying! Problem is the car still will not run - ha ha!

  5. #30
    Join Date
    Jan 2020
    Location
    NY
    Posts
    2
    My Cars
    2012 x3
    Quote Originally Posted by MarkJWT View Post
    Attachment 599991

    So, to get here, I have removed my back seat (it pulls up easily, as its just clipped on at the front). I have removed the 10mm screws from the cover, and I have removed the electrical harness, the fuel line (blue pipe - make sure you depressurise the line by unscrewing the fuel cap, and have a bowl handy to catch any excess fuel - there won't be a lot) and the vent hose - push the clips together and pull, may need so assistance with a flat head screw drive to prize free.

    The next step is to release screw cap with special tool 16 1 020 and remove service cap, but I used a rubber mallet and a screw driver to coax it free

    Attachment 599994

    Remove the fuel line (the brown pipe) and the electrical socket. I have removed the vent pipe in this picture

    Attachment 599995

    Now remove the line from the filter and the line next to it.

    Attachment 599993

    The next step is to pull the chamber with the pump in out of the tank. The two lugs at the bottom of this picture need to be pressed in and the chamber will lift out with a bit of effort.

    Attachment 599997The old strainer, vs the new strainer

    Now reassemble the new pump and the new strainer etc and follow the instructions in reverse

    The whole job took me (utter novice) about an hour.

    The car runs much better, but I'm still getting P0171 & 174! Ive replaced MAF sensor, lower intake boot, CCV hoses and now fuel pump

    Where should I look next? Its driving me mad!

    Hello - thanks for the info.
    What year X3 was this and which side of the vehicle did your find the pump ?


    KB

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