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Thread: Contest: NAME THAT NOISE! BMW X3 E83

  1. #1
    Join Date
    Mar 2016
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    Spooner, WI
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    2005 BMW X3

    Contest: NAME THAT NOISE! BMW X3 E83

    Hello,

    Today I got my BMW X3 2005 3.0 back from a shop who replaced my transfer case. I initially replaced my front drive shaft and subsequently developed this noise.No prior transmission issues or whining like this. I thought the bad Ujoint may have ruined the transfer case bearings so thats why I replaced the transfer case but the noise has persisted.

    Any help would be extremely appreciated as I live in NW WI and have few options other than to fix this myself.

    https://www.youtube.com/watch?v=hyIBV8jti0U

  2. #2
    Join Date
    Jan 2016
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    Ca
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    3,032
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    2001 525it
    With all the warning lights on what are the faults on an unrelated topic don't run your gas tank down to nothing, the electric fuel pump sits in gas and is cooled by the gas. Running it low in gas can damage the pump over time. Can't the shop put the car in the rack, lift it and run it to diagnos

  3. #3
    Join Date
    Sep 2006
    Location
    Holly, MI
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    2005 325Xi
    The cooling that the fuel pump needs is mostly provided by the fuel being pumped THRU the pump, not so much the fuel it's sitting in. So unless you actually run the tank dry, there's not much danger of overheating it.

    And yea, OP, that's a lot of warning lights.
    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.


  4. #4
    Join Date
    Mar 2016
    Location
    Spooner, WI
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    2005 BMW X3
    The only relevant fault is the 4x4 light. The others are for washer fluid and tire pressure and a bulb. None of those were on prior just resulted from extended sitting (3 months) . Airbag fault is common bullshit code on e83.

    As to fuel pumps I just replaced it and I got my vehicle back from the shop with no gas, but Iím not concerned about my fuel pump Iím concerned with the bigger issue which is something out of whack in the drivetrain. Canít even drive this vehicle. Iím giving up and taking it to a reputable shop. Iíll post results.

    Thanks for taking the time to check out the video though.

  5. #5
    Join Date
    Sep 2006
    Location
    Holly, MI
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    2005 325Xi
    It kinda sounds like the transfer case or front diff is running without fluid in it.
    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.


  6. #6
    Join Date
    Apr 2014
    Location
    Renton, WA
    Posts
    379
    My Cars
    03 540i, 04 X3, 00 328i
    Quote Originally Posted by Critter7r View Post
    It kinda sounds like the transfer case or front diff is running without fluid in it.
    I had similar thoughts. When the front drive shaft is taken out, the flange on the transfer case side easily slips out and transfer case fluid comes out. It is a possible mechanism for the fluid suddenly getting low. Although, OP tells the transfer case was later replaced and taken care of.
    The front diff loses some of its fluid if the drive axles are removed.

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