myke pocock
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| posted on 19/1/19 at 05:33 PM |
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BMW diff unit
I have an E34 5 series BMW diff unit (mid 80's I think) fitted to my Skoda Estelle trials car. Far stronger than the original. I am using the
original drive shafts, cut and sleeved to length. The splined input shafts fit into the diff unit and are retained by sprung rings that fit in a
groove in the diff unit on both sides and click in to place in corresponding grooves in the drive shaft input shafts. The sprung rings are, I think, a
bit tired as one shaft tends to drift out of the transaxle in use. Firstly is there a name for the sprung rings and secondly do they come in various
sizes and where are they available from? I will try the local BMW spares dept but envisage they wont be bothered.
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cliftyhanger
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| posted on 19/1/19 at 06:08 PM |
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I have always called then snap rings.
I had a similar issue with the scooby diff in my spitfire, in the end I bought a box of assorted rings as nobody seemed to be able to help. Even then
a fair bit of faff to choose the right ones.
If you have a measurement I may have some in my box...
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myke pocock
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| posted on 19/1/19 at 08:25 PM |
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Hello cliftyhanger. Thanks for the reply. If I had done my research better I would have found the name of them myself and also that you can get them
in a variety of sizes for inner and outer on ebay. Ordered some so thanks very much for the offer.
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cliftyhanger
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| posted on 20/1/19 at 11:45 AM |
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Glad you found them.
My box is a JR one. Take care the ring isn't too tight, you want to be able to get the shaft out again! Flipside not too loose.
Plus I didn't have any rings to start with, so involved guesswork as well as verniers.
If you want any others, please ask.
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