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Thread: Help Major Grinding Sound!!!

  1. #1
    Join Date
    Nov 2002
    Location
    Florida
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    Help Major Grinding Sound!!!

    Regarding 1996 328is with 140k miles.

    It started yesterday that my car started making a major grinding sound. I don't remember hearing any grinding sound before but now it is very obvious. The sound is coming from the back of the car, and I am fearing that it is the differential. Can someone let me know what this might be. By the way if it is the differential, how much is a diff? Would appreciate any help.

  2. #2
    Join Date
    May 2002
    Location
    MA
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    ???
    First off, get underneath the car while its running (with the E-Brake up!!!) and listen for the noise, then let us know where you are sure its coming from... Also check the differential for leaks, maybe you have lost a lot of diff. fluid and the gears are grinding?

  3. #3
    Join Date
    Apr 2001
    Location
    Atlanta, GA
    Posts
    4,890
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    BMW 323IS, 2004 X3 3.0i
    Sounds like your rear wheel bearings are going out. Mine just did like 2 months ago but I rode on a bad wheel bearing for that long until I got it fixed this past weekend. Dont wait too long to get it fixed. I waited so long the bearing fused to the metal and the had to use a blowtorch to help get it off. A wheel bearing cost about $50 from bimmerparts.com and labor for me was about $200 to do it.

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  4. #4
    Join Date
    Nov 2002
    Location
    Florida
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    Did you fix it yourself?

  5. #5
    Join Date
    Apr 2001
    Location
    Atlanta, GA
    Posts
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    BMW 323IS, 2004 X3 3.0i
    luckily ny uncle knows a guy who owns his own shop. So i paid $250 total for parts and labor. Another shop quoted me $270 for labor alone and the part is about $50

    [/b]

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