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Thread: Noise from 210mm Diff

  1. #1
    Join Date
    Feb 2012
    Location
    Birmingham, Alabama, USA
    Posts
    8,323
    My Cars
    1995 BMW M3

    Noise from 210mm Diff

    I have a 210mm 3.15 LSD in my e36 m3.
    About a year ago I snapped an axle shaft at the drag strip and (stupidly) limped the car 50 miles home on one axle shaft.
    Ever since , when taking sharp low speed turns my rear diff makes a cyclical grinding sound. It has progressively gotten worse. Additionally, during cruising the diff whines. I would like to pull it apart and fix it. Does this sound like pinion bearing and carrier bearings going out? Or clutches? Or both? Anyone have any resources for specs and all that good stuff for the 210mm diff?
    Thanks!

  2. #2
    Join Date
    Aug 2007
    Location
    Vancouver, B.C., Canada
    Posts
    7,968
    My Cars
    '97 M3
    Sounds like itís totally junk. Pull it and ship it to me, Iíll dispose of it for you.
    Last edited by chikinhed; 02-04-2019 at 05:42 PM.

  3. #3
    Join Date
    Nov 2013
    Location
    VA
    Posts
    1,065
    My Cars
    trbo 96 328;98 m3
    same thing happened to me late last year. Tried to show off with a burnout and ended up breaking one of my non m axles. Ever since, I have been hearing a clunk during shifts and the diff whines like hell during cruise speed.


    96 328 Turbo
    98 M3/4/5

  4. #4
    Join Date
    Mar 2013
    Location
    Upstate NY
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    1,036
    My Cars
    M3
    Damnit Raji, that was a mint diff I let you have and you be breaking it!!!!!! Shameeee on youuu.

  5. #5
    Join Date
    Feb 2012
    Location
    Birmingham, Alabama, USA
    Posts
    8,323
    My Cars
    1995 BMW M3
    Quote Originally Posted by Mklock View Post
    Damnit Raji, that was a mint diff I let you have and you be breaking it!!!!!! Shameeee on youuu.
    I know But im trying to fix it

  6. #6
    Join Date
    Dec 2007
    Location
    SF bay area
    Posts
    2,747
    My Cars
    1998 M3 / 2000 S2000

    Noise from 210mm Diff

    Quote Originally Posted by rajicase View Post
    I have a 210mm 3.15 LSD in my e36 m3.
    About a year ago I snapped an axle shaft at the drag strip and (stupidly) limped the car 50 miles home on one axle shaft.
    Ever since , when taking sharp low speed turns my rear diff makes a cyclical grinding sound. It has progressively gotten worse. Additionally, during cruising the diff whines. I would like to pull it apart and fix it. Does this sound like pinion bearing and carrier bearings going out? Or clutches? Or both? Anyone have any resources for specs and all that good stuff for the 210mm diff?
    Thanks!
    Iím assuming the unit was a 20+ year old used unit that was installed as-is mystery condition then ran so hard a cv died then limped home?

    In extreme cases of this (yes Iíve done it myself-) the differential housing itself can get damaged and pinion bearings take a shit from the strange 1 wheel drive load+ damage that caused 1wheel drive.

    Iíd anticipate some interesting wear on the internal components of the lsd also but itís not that crazy.

    Realistically- if it makes a noise itís dying and time to rebuild; probably was dying anyway as 20+ year old junkyard units are just that.

    If the unit was properly built and lsd optimized you could break an axel, drive home 1wheel drive change axels and continue on the warpath of abuse.

    Some new upcoming original Bay Area designed and Bay Area manufactured parts are in the works to avoid Europe and Japan entirely

    188 zf standard plates



    Upgraded more plates Internal set for 210mm os giken; os doesnít sell rebuild parts; only does service in house.

    Last edited by wanganstyle; 02-08-2019 at 08:30 AM.
    Billet Original CNC LSD for 188K
    http://www.wanganstyle.com/

    S54B32 E36 M3 DTA S100 Sedan Street car full swap:
    http://forums.bimmerforums.com/forum....php?t=1437471

    E30 M20 2,7L Alpina + Euro E46 320D ZF 6 speed install
    http://www.e30tech.com/forum/showthread.php?t=110010

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