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Thread: E34 525 TDS Eibach B12 Sportline front strut wont fit

  1. #1
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    Unhappy E34 525 TDS Eibach B12 Sportline front strut wont fit

    Hello guys, i'm from Romania, and new here. I own an e34 525 tds, and recently i buy Eibach B12 Sportline kit, springs and shock absorber, but i need some help with front strut mount and type.
    My front shock absorber are: Bilstein and i have two part code on box:
    34-030202 and P36-3020.
    My question is, what front strut model to choose, and where from ?! Recently i bought originals from Germany with 300 euro part code: 31 33 1 134 096 but wont fitment, and i cannot return items. So i want to choose good fitment for me.
    I'll attach you some photo.

    https://imgur.com/a/peqUxrc

    Thanks.

  2. #2
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    Use realoem.com with you VIN to determine factory part number(s), then use those numbers for strut and Guide Support/Bearing Plate to ‘shop’ for replacement parts.

    What model and build date are you working on?


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  3. #3
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    Quote Originally Posted by bluptgm3 View Post
    Use realoem.com with you VIN to determine factory part number(s), then use those numbers for strut and Guide Support/Bearing Plate to ‘shop’ for replacement parts.

    What model and build date are you working on?


    Sent from my iPhone using Tapatalk
    I know about realoem, but there for my car are 3 differents struts mounts...
    e34 525 tds 94', WBAHA91030 GK35841

  4. #4
    moroza's Avatar
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  5. #5
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    You need the later shock mount version with the larger hole. I ran into this problem too on my E32 project.

  6. #6
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    Quote Originally Posted by mihu94 View Post
    I know about realoem, but there for my car are 3 differents struts mounts...
    e34 525 tds 94', WBAHA91030 GK35841
    The Guide Support is p/n 31331139437. The are two others but those appear to be collision repair parts.

    The greater issue is that there appears to be three strut casings and three different inserts. I gather they should all fit the Guide Support properly.



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  7. #7
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    I bought 31331139437 as you say, but still wont fit.

    They are wide, the shaft moves inside the flange, and is still too high. I need a shorter flange to hold the nut.
    Please help me, I'm sitting with one month's dampers and I do not know what to order.

    Photo 30.05.2018, 22 03 00.jpg
    Photo 30.05.2018, 22 03 08.jpg
    They are wide, the shaft moves inside the flange, and is still too high. I need a shorter flange to hold the nut.Please help me, I'm sitting with one month's dampers and I do not know what to order.

  8. #8
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    Can you post a picture of how it sits as you would install it?

  9. #9
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    You've got the mount upside down.

  10. #10
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    moroza is offline MORΩN ΛABIA BMW CCA Member
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    The mount is upside down, and it looks like the shock is the early version that's 12mm wide at the top, not 14.
    Last edited by moroza; 06-04-2018 at 04:28 PM.

  11. #11
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    Oh, sorry for upside down photos.... if you know and it help, tell me, or draw in last photo what to measure with callipers.
    Photo 03.06.2018, 13 13 21.jpg
    Photo 03.06.2018, 13 13 25.jpg
    Photo 03.06.2018, 13 16 19.jpg

  12. #12
    moroza's Avatar
    moroza is offline MORΩN ΛABIA BMW CCA Member
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    Ignore my previous post regarding thickness. I checked the Bilstein part number and it shows you need the v.3 strut mounts 31331139452. They are common to E30 and other cars, so cheaper and easier to find than E34-specific v.1 and v.2 (31331134096 and 31331139437, respectively).

  13. #13
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    https://www.ebay.com/itm/301768237082?ul_noapp=true

    This is the shocks pack i bought if can help you.
    Please help me, i'm rly newbie in "cars tuning", shop and others... and i already spent 400 euro on wrong stuts, and watching my shocks by 35 days so i want to put on the car
    Last edited by mihu94; 06-04-2018 at 04:34 PM.

  14. #14
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    moroza is offline MORΩN ΛABIA BMW CCA Member
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    That item listing is not useful, because the photo is all wrong (generic, not E34-specific) and the Bilstein numbers aren't present. Based on the Bilstein number you posted before - 34-030202 and P36-3020 - you need v.3 strut mounts 31331139452.

  15. #15
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    Sorry, still me. I dont have not solved the problem. In conclusion, I have the following flanges numbered in the photo as follows::



    1. 31331139452 (aftermarket - almost fit, the distance between the screws is too small)
    2. 31331139437 (aftermarket - similar to the original ones - do not match)
    3. 31331134096 (original bmw - do not match)


    In conclusion, none of the above sets fit, but Number 1 is the closest.


    I await opinions and help. Thank you


    https://www.bavauto.com/bmw-suspensi...-ske346016bil/
    This is the kit i own !





    20190119_130855.jpg 20190119_131146.jpg
    Last edited by mihu94; 01-19-2019 at 07:38 AM.

  16. #16
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    Quote Originally Posted by mihu94 View Post
    1. 31331139452 (aftermarket - almost fit, the distance between the screws is too small)
    These mounts should fit. Do you have the spring plate #8 and washers #6 & #7 that goes with the mount?

    http://bmwfans.info/parts-catalog/E2...g_parts/#pos_1
    demet

  17. #17
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    moroza is offline MORΩN ΛABIA BMW CCA Member
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    Quote Originally Posted by mihu94 View Post
    1. 31331139452 (aftermarket - almost fit, the distance between the screws is too small)
    Did you try rotating it? The triangle formed by the studs is isoceles, not equilateral. Triunghi isoscel, nu echilateral. If it still doesn't fit the car body, but the others do, then these are just defective parts.

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