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Thread: What is this part?

  1. #1
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    What is this part?

    Its just above the Compressor. Its wet with oil. Nothing dripping from the top though

    IMG_20181125_165235.jpg
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    91 BMW 850i LAGUNENGRUEN METALLIC

  2. #2
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    timing chain tensioner o-ring is leaking
    https://www.bimmerforums.com/forum/s...er-Replacement
    Shogun tricks and tips for the E32 series are HERE!

  3. #3
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    Thank you Shogun!

    - - - Updated - - -

    Quote Originally Posted by 8eights View Post
    Yeap and your about to be out of 4 bucks in parts!

    You really only need parts 19, 20 and 24
    If only I can get parts at realoem prices
    91 BMW 850i LAGUNENGRUEN METALLIC

  4. #4
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    Gault Bmw has them at those prices or very close.

  5. #5
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    19 Gasket ring 13,0X2,0 11311702953
    20 Gasket ring A22X27-AL 07119963355 or from Febi , FEBI BILSTEIN 05552 , also used for some drain plugs like the diff
    24 Protection cap 11311720006
    Shogun tricks and tips for the E32 series are HERE!

  6. #6
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    Quote Originally Posted by 8eights View Post
    Gault Bmw has them at those prices or very close.
    Contact email info please?
    91 BMW 850i LAGUNENGRUEN METALLIC

  7. #7
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    Quote Originally Posted by Fiiz View Post
    Contact email info please?
    http://www.gaultautosportbmw.com/parts/index.htm
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  8. #8
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    i just bought 19 and 20 while i'm in "there"..... and yes, i remember from the 2800 CS how difficult it can be pushing the spring in and get it threaded .. under that tension it's difficult to keep the plug level ….
    Just don't know what's the use of that silly one way protection cap ? Protection against what ? if it's leaking, it's leaking…. the only thing i can think of is leaking oil protects the outside thread/nut from corrosion ?

  9. #9
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    Quote Originally Posted by Belgiumbarry View Post
    i just bought 19 and 20 while i'm in "there"..... and yes, i remember from the 2800 CS how difficult it can be pushing the spring in and get it threaded .. under that tension it's difficult to keep the plug level ….
    Just don't know what's the use of that silly one way protection cap ? Protection against what ? if it's leaking, it's leaking…. the only thing i can think of is leaking oil protects the outside thread/nut from corrosion ?
    It’s primary function is to keep people from inadvertently loosening the nut.
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  10. #10
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    Quote Originally Posted by TxGR8White View Post
    It’s primary function is to keep people from inadvertently loosening the nut.
    so , for amateurs like me ?

  11. #11
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    Fiiz -- You may find this thread useful: https://www.bimmerforums.com/forum/s...lp-Appreciated

    I had the same issue with a leaky timing chain tensioner, but since the oil was pooling at the bottom of my A/C compressor, I originally thought it was an issue with my compressor (that's why the title of the thread has nothing to do with timing chain tensioners). User "8eights" finally clued me in to the cause so scroll down to post #22 in the thread above. Post #23 has a PDF of my write-up. Hopefully you'll find something helpful.

    Sean
    Last edited by Sniff38; 11-25-2018 at 05:34 PM.

  12. #12
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    This just reminded me to put that cap piece on! (don't know why I didn't when I did the job last year).
    My Cars - 1991 BMW 850i - mine for fun, 1993 Saab 900c - mine for fun, 2008 Lexus is250 - my daily driver, 2003 Dodge Durango - my wife's, 1994 Acura Legend - gave it to kid

  13. #13
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    Thank you all for the tips and advice. Will get it replaced when the parts get here.

    On a side note, anybody know where these 2 plugs (Black & White) go? Was cable tied underneath one of the wiring harnesses.
    IMG_20181125_165235 2.jpg
    91 BMW 850i LAGUNENGRUEN METALLIC

  14. #14
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    Quote Originally Posted by Fiiz View Post
    Thank you all for the tips and advice. Will get it replaced when the parts get here.

    On a side note, anybody know where these 2 plugs (Black & White) go? Was cable tied underneath one of the wiring harnesses.
    IMG_20181125_165235 2.jpg
    Those go to the breather valves that are apparently missing. The one end of the valve goes to the DK Motor port (the larger one), and the other end goes to the charcoal canister to catch fuel vapors.
    '93 850Ci - Mineralweiß Metallic

    2001 740iL - Titansilber
    ALPINA B7 -Alpinweiß III


    ...the price of cool ain't cheap!

  15. #15
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