Part number or where to buy gasket for instrument cluster

[Ozgracee]

Whilst trying to fix my speedo, I took off the back cover of my instrument cluster and the gasket/orang is no good (old, cracked, hard).
Can anyone offer help as to where I might get a replacement one?
I've searched quite a bit on google and cannot find anywhere.
K100RS, 1985.


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[rbm]

The gasket is no longer available from BMW (P/N 62111459232).  You might be able to make one up using watchmaker lathe transmission belting.  Check Ebay item # 281732790200 for an idea of what I'm talking about.

[The Mighty Gryphon]

What you need is o-ring cord.  Measure the diameter of the old gasket and get a couple feet of that size cord in a low durometer cord.  I doubt the material is as important as getting the softest material possible.  There shouldn't be any oil up there to damage EPDM.

[wally.fisher]

What you need is o-ring cord.  Measure the diameter of the old gasket and get a couple feet of that size cord in a low durometer cord.  I doubt the material is as important as getting the softest material possible.  There shouldn't be any oil up there to damage EPDM.

See Your local bearing supplier, they normally have o ring cord, methinks I used 2 mm dia cord.


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[Ozgracee]

Thanks. Will give it a try.


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[wally.fisher]

Thanks. Will give it a try.


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It works well, did mine 4 years back, no problems since.


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[wmax351]

Mcmaster.com will have the oring cord (and basically anything else you could imagine). It's amazon.com for engineers.




Or amazon has it.
https://www.amazon.com/Buna-N-O-Ring-Durometer-Thickness-25/dp/B00QVB6K6U/ref=sr_1_3?ie=UTF8&qid=1497186900&sr=8-3&keywords=oring+cord

[Inge K.]

The OEM gasket is 3 mm and made of extruded EPDM.