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Fixed my saggy butt - rear spring replacement

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GRNSHRK
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Fixed my saggy butt - rear spring replacement

Post by GRNSHRK » Tue May 10, 2022 6:40 pm

Yes, it's true, I've had these springs from Bert for years :roll:

While doing some other work in the rear recently, I noticed rubber bits sitting on the spring perches, and thought that the pads were disintegrating :-?

Turns out it was just the closed cell foam bump stops that apparently aren't even needed with Bilstein Sports, at least according to Klaus, whom I trust very much :-"

Those were indeed trashed, which is where they are now [-X

Here's a couple of shots, before and after ride height, struts assembled, and a comparison between the new B&G spring height versus the ST's that have been on the 6er for quite some time \:D/
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:mrgreen:
Bobbo
1980 633 CSi Cypress Green/Pearl Beige
2017 X5 M Sport Xdrive 35i Carbon Black/Ivory White
2005 330 Ci ZHP Cabrio Imola Red/Bone/Black
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TimU
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Re: Fixed my saggy butt - rear spring replacement

Post by TimU » Wed May 11, 2022 1:23 am

Nice one.
Are the new springs physically taller than the old ones?
It's hard to tell from the photo.

Would you mind sharing a link or part number for what you purchased please?

Cheers
04/1986 635csi Euro spec
Australian Delivered, RHD

GRNSHRK
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Re: Fixed my saggy butt - rear spring replacement

Post by GRNSHRK » Wed May 11, 2022 11:54 pm

Hey Tim,

I actually purchased these from another board member who was picking up E12 chassis parts as they become increasingly harder to come by :-({|=

Here's a link to their website, they are in Sweden :-"

http://b-gsuspension.com/

I have attached another photo of the ST spring that's been on the 6er for years, next to a new B&G spring, along with a photo measuring the older ST spring :-k

Again, please keep in mind that they may have been the same height when new :wink:

Also please keep in mind that these are for E12 chassis, as I think you have a later E28 chassis version 6er [-o<

HTH :lol:
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Bobbo
1980 633 CSi Cypress Green/Pearl Beige
2017 X5 M Sport Xdrive 35i Carbon Black/Ivory White
2005 330 Ci ZHP Cabrio Imola Red/Bone/Black
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bpoliakoff
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Re: Fixed my saggy butt - rear spring replacement

Post by bpoliakoff » Thu May 12, 2022 1:29 am

My car sits perfect with a set of those, Bobbo. I am using Koni oil filled strut inserts and Koni gas filled shocks on the rear. The car rides firm, smooth and is not a bone shaker. I have a set of Bil sport strut inserts that I was going to use, but went with the Konis. I pulled the fronts out of a wreck and spent some serious $$$ getting them custom re built and am glad I ended up going that way. If anyone needs, I have the Bil E12 sport fronts available. They came out of an E12 that was totaled and have less then 8K on them
81 Euro 635 M90 with motronic. Currently under a complete nut and bolt restoration. Pictures at
flickr.com/photos/bertsphotos.

GRNSHRK
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Re: Fixed my saggy butt - rear spring replacement

Post by GRNSHRK » Thu May 12, 2022 6:28 pm

Hey Bert, it was a great feeling to finally get at least the rear pair of these springs in #-o

I only took a short drive, as my power steering is whining and that's my next issue to address :-({|=

And you should easily be able to sell those Bilsteins here or elsewhere \:D/

Hmm :-k
:mrgreen:
Bobbo
1980 633 CSi Cypress Green/Pearl Beige
2017 X5 M Sport Xdrive 35i Carbon Black/Ivory White
2005 330 Ci ZHP Cabrio Imola Red/Bone/Black
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