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Thread: Rear Disk Brake Trailing Arm Wheel Bearings

  1. #1
    Join Date
    Apr 2014
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    DFW TX USA
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    1983 320I

    Rear Disk Brake Trailing Arm Wheel Bearings

    I need to find the correct wheel bearings and seals for rear disk brake trailing arms. Mine failed catastrophically today and the car is my daily driver.. If someone else could go over this and conform my cross referencing that would be great.

    I think I already have 2 of the hard to find inner bearings. After doing some research it looks like the E12 rear inner bearing is the same as the rear outer E21 bearing. I should be able to use this right?

    I think I need bearing #6 in the diagram.
    http://www.realoem.com/bmw/enUS/show...diagId=33_0160

    When looking at e12 stuff, I think I see the same bearing as #5.
    http://www.realoem.com/bmw/enUS/show...diagId=33_0161

    They mention part number 33411122131 here.
    http://www.rockauto.com/en/moreinfo....869&cc=1012262

    For one of the wheel seals, It looks like the BMW 2002tii used the same seal

    I think I need shaft seal #3 in the diagram.
    http://www.realoem.com/bmw/enUS/show...diagId=33_0160

    When looking at BMW 2002tii stuff, I think I see the same seal as shaft seal #3 here
    http://www.realoem.com/bmw/enUS/show...diagId=33_0885

    They mention part number 33413404161 here.
    http://www.rockauto.com/en/moreinfo....0877&jsn=10410

    For the other wheel seal, It looks like the e12 used the same seal.

    I think I need shaft seal #4 in the diagram. 33411085077
    http://www.realoem.com/bmw/enUS/show...diagId=33_0160

    When looking at e12 stuff, I think I see the same shaft seal as #4. 33411085077
    http://www.realoem.com/bmw/enUS/show...diagId=33_0161

    They mention part number 33413604181 here which is the older part number.
    http://www.rockauto.com/en/moreinfo....2262&jsn=10474

    This is everything I think I need in the cart.
    cart.PNG
    Last edited by Thecatmilton; 09-30-2017 at 10:40 PM.

  2. #2
    Join Date
    Jun 2005
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    Chicago
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    981
    My Cars
    BMW 320i ('83), BMW 318ti ('98), BMW 3.0 CSi ('72)
    I have a set of new SKF Bearings and Seals for the rear 323i (both sides). If interested, contact me with an offer.

  3. #3
    Join Date
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    I just wanted to say that everything I found on rockauto fit perfectly. For $47.32 before shipping, you can't go wrong!

  4. #4
    Join Date
    Nov 2007
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    1980 BMW 320i E21 M10B18

    Cool

    New Koyo Wheel Bearing Rear 62/28C3 91053634008 BMW 1602 2002 2002tii 320i,, $9.09 ea Free shipping . Koyo is made in Japan and has moved up in industrial status as well. I have a set installed and another to be installed later. Timken is a good choice. Mine cost $10 each free shipping, different seller.

    $_57.JPG

    http://www.ebay.com/itm/New-Koyo-Whe...VWxWBY&vxp=mtr

    Randy
    Last edited by 320iAman; 03-26-2017 at 07:19 PM.

  5. #5
    Join Date
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    Bayview, WI
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    1983 BMW 320i M20 Turbo
    That's great you guys can find 320i rear wheel bearings for cheap, now try to find what the OP was talking about for that price (aka 323i rear wheel bearings).
    1983 320i Turbo
    Renditions:
    1 -> OEM Stock
    2 -> BAE Century K-Jet Turbo
    3 -> BAE Century K-Jet/EDIS/Megajolt Turbo
    4 -> BAE Century EFI/EDIS/MS2extra Turbo
    5 -> M20B25 Turbo/MS2 Swap (FINAL)

    Group 2 Bodywork, Motorsports Wing, Vinyl Wrap, E30 Diff (IN PROGRESS)

    CHECK OUT >>>
    RAGE DRIFT DESIGNS <<< FOR DECALS AND MORE!

  6. #6
    Join Date
    Nov 2007
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    1980 BMW 320i E21 M10B18

    Cool

    Try looking around. Autohausaz $9.75 each , with 2 yr warranty, Compare the numbers,
    Realoem:

    3' E21 323i SIDE SHAFT/WHEEL BEARINGS,33411122131

    http://www.realoem.com/bmw/enUS/show...diagId=33_0160

    Autohaus
    P/N:
    113501283
    Cross References:
    113501283Z, 23121202181, 23121204198, 23121468744, 33411122131, 33411468902, 7031305, W0133-1633840

    http://www.autohausaz.com/pn/113501283

    Randy
    Last edited by 320iAman; 03-28-2017 at 10:55 AM.

  7. #7
    Join Date
    Apr 2014
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    Quote Originally Posted by 320iAman View Post
    Try looking around. Autohausaz $9.75 each , with 2 yr warranty, Compare the numbers,
    Realoem:

    3' E21 323i SIDE SHAFT/WHEEL BEARINGS,33411122131

    http://www.realoem.com/bmw/enUS/show...diagId=33_0160

    Autohaus
    P/N:
    113501283
    Cross References:
    113501283Z, 23121202181, 23121204198, 23121468744, 33411122131, 33411468902, 7031305, W0133-1633840

    http://www.autohausaz.com/pn/113501283

    Randy
    Try to find "05 Grooved ball bearing 30X58X16" now.

    The shipping on rockauto still made it a better deal. I think I did 2 day shipping for around $7

  8. #8
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    Thank you thecatmilton! So many people seem to think they know what they are talking about with these 323i wheel bearings, but fail to do the research for ALL the bearings. The outer bearing can be found no problem since the size is shared with other vehicles (as 320iAman can see), but the inner bearing is a completely different story. Ask me how I know.
    1983 320i Turbo
    Renditions:
    1 -> OEM Stock
    2 -> BAE Century K-Jet Turbo
    3 -> BAE Century K-Jet/EDIS/Megajolt Turbo
    4 -> BAE Century EFI/EDIS/MS2extra Turbo
    5 -> M20B25 Turbo/MS2 Swap (FINAL)

    Group 2 Bodywork, Motorsports Wing, Vinyl Wrap, E30 Diff (IN PROGRESS)

    CHECK OUT >>>
    RAGE DRIFT DESIGNS <<< FOR DECALS AND MORE!

  9. #9
    Join Date
    Jun 2015
    Location
    Summerville, SC
    Posts
    381
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    1977 320i
    Quote Originally Posted by bassboy3313 View Post

    Thank you thecatmilton! So many people seem to think they know what they are talking about with these 323i wheel bearings, but fail to do the research for ALL the bearings. The outer bearing can be found no problem since the size is shared with other vehicles (as 320iAman can see), but the inner bearing is a completely different story. Ask me how I know.
    How do you know?

  10. #10
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    1983 320I
    Quote Originally Posted by WantingAfunE21 View Post
    How do you know?
    I have 323i rear disk brake trailing arms. The inner bearing is hard to find at a reasonable price. I got lucky and participated in a group buy where they were $40 (still feels high to me, but beats the alternatives) plus shipping each.

  11. #11
    Join Date
    Feb 2011
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    Bayview, WI
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    1983 BMW 320i M20 Turbo
    Quote Originally Posted by WantingAfunE21 View Post
    How do you know?
    Thanks for asking ...
    https://www.bimmerforums.com/forum/s...wheel-bearings
    1983 320i Turbo
    Renditions:
    1 -> OEM Stock
    2 -> BAE Century K-Jet Turbo
    3 -> BAE Century K-Jet/EDIS/Megajolt Turbo
    4 -> BAE Century EFI/EDIS/MS2extra Turbo
    5 -> M20B25 Turbo/MS2 Swap (FINAL)

    Group 2 Bodywork, Motorsports Wing, Vinyl Wrap, E30 Diff (IN PROGRESS)

    CHECK OUT >>>
    RAGE DRIFT DESIGNS <<< FOR DECALS AND MORE!

  12. #12
    Join Date
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    Does anyone know the torque spec for the axle nut?

  13. #13
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    May 2012
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    San Francisco Ca
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    1987 M6, 1988 M6, 1988m5
    Hi Thecatmilton, can you tell me how the Rock auto/ Timken bearings worked out? I think I'm going to need to do them soon on my 323i's... Many Thx!

  14. #14
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    They worked out fine. I have about 3k miles on them right now. Are you are aware that the rockauto list is everything, but the two 30X58X16 grooved ball bearings?

  15. #15
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    1987 M6, 1988 M6, 1988m5
    I'm going to order directly from your Rock Auto list.... (MANY THANKS!)... But where should I order the grooved bearings?

  16. #16
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    1980 BMW 320i E21 M10B18

    Cool

    Quote Originally Posted by bassboy3313 View Post
    That's great you guys can find 320i rear wheel bearings for cheap, now try to find what the OP was talking about for that price (aka 323i rear wheel bearings).
    He said he had the hard to find- inner bearings, the outer bearings is what I first posted, the E21's.

    catmilton:

    Try to find "05 Grooved ball bearing 30x58x16



    33411122131 is the number of Grooved ball bearing of the size mentioned.

    Anyway. I'm glad you got it sorted out.

    Randy

  17. #17
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    Quote Originally Posted by 320iAman View Post
    He said he had the hard to find- inner bearings, the outer bearings is what I first posted, the E21's.

    catmilton:

    Try to find "05 Grooved ball bearing 30x58x16


    33411122131 is the number of Grooved ball bearing of the size mentioned.

    Anyway. I'm glad you got it sorted out.

    Randy
    Actually, I think the part number for #5 is 33411119994. This is the part number for the bearings you will need to order elsewhere.

    shaft.PNG

    https://www.realoem.com/bmw/enUS/sho...diagId=33_0160

  18. #18
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    Cool

    Thanks for the update on this, It would have been easier if you said bearings for 323i trailing arm, the small side.

    Randy
    Last edited by 320iAman; 09-26-2017 at 07:30 PM.

  19. #19
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    Quote Originally Posted by 320iAman View Post
    Thanks for the update on this, It would have been easier if you said bearings for 323i trailing arm, the small side.

    Randy
    I didn't think I needed to specify. This thread is about 323i / rear disk brake trailing arm wheel bearings, as was 355gto's question.

  20. #20
    Join Date
    Jun 2016
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    Austin, TX
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    1978 323i
    BTW- I ordered Timken seal 224250 as referenced by RockAuto for part 33413604181, but it is several MM thicker than the old part, and protrudes about that much from the wheel housing when installed.

    The thickness (according to RockAuto is 0.394", which converts to 10mm). However the original part # 33411085077 is apparently 42x62x7 (7mm thickness). I'm going to reorder.

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