Rubber absorber for series 1

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msoft
Posts: 35
Joined: Thu Jun 30, 2022 1:48 pm
Location: Sweden

Rubber absorber for series 1

Post by msoft »

Hiu,
I need new rubber absorbers for my 635CSi from 1979. It should be part 31331121835 but I can't find anywhere to buy it. The corresponding part 31331117662 for 633CSI is available and looks very similar. Anyone knows if it fits?
absorber.jpg
absorber.jpg (1009.81 KiB) Viewed 1324 times
This is for 633CSI:
31331117662.jpg
31331117662.jpg (65.58 KiB) Viewed 1324 times
plip1953
Posts: 398
Joined: Mon Aug 13, 2018 4:15 pm
Location: Leeds

Re: Rubber absorber for series 1

Post by plip1953 »

The aspect that really needs to be like for like is the diameter of the centre hole and which in turn will match the diameter of the damper rod. But I'm afraid I don't know how universal the rod diameters are across different models.

If you can find and alternative version that fits, strictly speaking you'd also want to ensure that the relative hardness is the same, but I personally wouldn't see that as vital.
Phil
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1988 Highline 635 CSi
msoft
Posts: 35
Joined: Thu Jun 30, 2022 1:48 pm
Location: Sweden

Re: Rubber absorber for series 1

Post by msoft »

Agree. Axle diameter is 22mm but very few list the diameter so it is difficult to find any universal option.
plip1953
Posts: 398
Joined: Mon Aug 13, 2018 4:15 pm
Location: Leeds

Re: Rubber absorber for series 1

Post by plip1953 »

msoft wrote: Sat Oct 15, 2022 12:31 pm Agree. Axle diameter is 22mm but very few list the diameter so it is difficult to find any universal option.
22mm for the rod diameter seems quite a lot?

But if true, how about these?

https://www.bc-racing.co.uk/bc-bump-sto ... -pair.html
Phil
__________________________

1988 Highline 635 CSi
msoft
Posts: 35
Joined: Thu Jun 30, 2022 1:48 pm
Location: Sweden

Re: Rubber absorber for series 1

Post by msoft »

Phil,
Thank you for the hint. I just found an alternative from Febi Bilstein that I will try and let you know here how it works!
msoft
Posts: 35
Joined: Thu Jun 30, 2022 1:48 pm
Location: Sweden

Re: Rubber absorber for series 1

Post by msoft »

Update: This FEBI BILSTEIN part 01828 worked great as a replacement!
febi.jpg
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