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D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc.

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  #1  
Old 20th June 2022, 04:40 PM
Markiii Markiii is offline
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Default Bilstein Suspension

I'm working on the theory that the shocks will likely benefit from a change soon, and if I'm doing that may as well do the springs

the first choice in my head is Bilsteins. So I've been doing some digging and thought I'd share

Mines a 2002 S8 so if I understand correctly;

S8 is 25mm lower than corresponding A8?
Eibach lowering springs are circa 25mm lowering on an A8 so can be interchanged with the S8 on standard Sachs shocks or replacement Billies?

Part number is E1533-140
https://www.eibachshop.co.uk/eibach-..._p31223052.htm

Bilstein do a B12 kit for the D2, which according to their website is a package deal of the Eibach springs and B8 dampers. B8 being B6 spec but shorter to allow for the drop.

That said I can find B6 shocks listed but not B8, so I wonder what's in the kit?


FRONT BILSTEIN B6 - SPORT SHOCK ABSORBER - 24-066785 (Facelift)
https://www.bilstein-shocks.co.uk/se...ct&q=24-066785
CAR FITMENT: A8 (4D2, 4D8)
2.5 TDI
2.5 TDI quattro
2.8, 2.8 quattro
3.3 TDI quattro
3.7 quattro
4.2 quattro
6.0 W12 quattro,
S8 quattro (06/99-09/02)
CH.Nr.: 4D-1-000 001

Listed as compatible with OEM S8 Audi 4D0 413 031 CD

FRONT BILSTEIN B6 - SPORT SHOCK ABSORBER - 24-026093 (Pre Facelift and Facelift)
https://www.bilstein-shocks.co.uk/pr...5ed20c02&_ss=r
CAR FITMENT: A8 (4D2, 4D8)
2.5 TDI,
2.5 TDI quattro,
2.8, 2.8 quattro,
3.7 quattro,
4.2 quattro,
S 8 quattro (07/96-09/02)
CH.Nr.: 4D-Y-020000

Listed as compatible with OEM S8 Audi 4D0 413 031 CD

REAR BILSTEIN B6 - SPORT SHOCK ABSORBER - 24-026161 (Facelift and Pre Facelift)
https://www.bilstein-shocks.co.uk/pr...755cb1fc&_ss=r
CAR FITMENT: A8 (4D2, 4D8)
2.5 TDI
2.5 TDI quattro
2.8, 2.8 quattro,
3.3 TDI quattro
3.7 quattro,
4.2 quattro
6.0 W12 quattro
S8 quattro (06/99-09/02)
CH.Nr.: 4D-1-000 001

-------------------------------------------------

B8 Shortened performance Damper (use for A8 with lowering springs or S8 with standard springs)

B8 not listed for D2 A8

Bilstein B12 Sportline kit contains
B8 Dampers
Eibach Sportline Springs

B12 Sportline not listed for D2 A8

Bilstein B12 Pro Kit contains
B8 Dampers
Eibach pro Kit Springs

BILSTEIN B12 PRO KIT - 46-193810
https://www.bilstein-shocks.co.uk/pr...a3c8e4a7&_ss=r
CAR FITMENT: A8 (4D2, 4D8)
3.7 quattro
4.2 quattro (03/94-09/02)
CH.Nr.: 4D-Y-020000
VA: lowering (expertise): 25 mm; axle load to: 1254 kg
HA: lowering (expertise): 25 mm; axle load to: 1230 kg

BILSTEIN B12 PRO KIT - 46-193834
https://www.bilstein-shocks.co.uk/pr...a3c8e4a7&_ss=r
CAR FITMENT: A8 (4D2, 4D8)
3.7 quattro
4.2 quattro (11/98-09/02)
CH.Nr.: 4D-1-000 001
VA: lowering (expertise): 25 mm; axle load to: 1254 kg
HA: lowering (expertise): 25 mm; axle load to: 1230 kg

BILSTEIN B12 PRO KIT - 46-193841
https://www.bilstein-shocks.co.uk/pr...a3c8e4a7&_ss=r
CAR FITMENT: A8 (4D2, 4D8)
2.5 TDI
2.5 TDI quattro
2.8, 2.8 quattro (04/96-09/02)
CH.Nr.: 4D-1-000 001
VA: lowering (expertise): 25 mm; axle load to: 1255 kg
HA: lowering (expertise): 25 mm; axle load to: 1230 kg

BILSTEIN B12 PRO KIT - 46-193827
https://www.bilstein-shocks.co.uk/pr...a3c8e4a7&_ss=r
CAR FITMENT: A8 (4D2, 4D8)
2.5 TDI
2.5 TDI quattro
2.8 quattro (04/96-09/02)
VA: lowering (expertise): 25 mm; axle load to: 1255 kg
HA: lowering (expertise): 25 mm; axle load to: 1230 kg

I've emailed Bilstein to try and find out what's in the B12 kit exactly.

In the mean time any thoughts on the above appreciated.
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  #2  
Old 20th June 2022, 05:53 PM
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Ronin Ronin is offline
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Why not buy the OEMs again? They are on tradition and eBay too
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Old 20th June 2022, 05:59 PM
Markiii Markiii is offline
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interesting I thought the s8 red sachs were NLA?
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Old 20th June 2022, 06:50 PM
MikkiJayne MikkiJayne is offline
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4D0413031CD isn't listed on Tradition or ebay.

The B12 kit does sit the S8 at about stock ride height. Its made with B6 dampers rather than the B8s as far as I can tell - they certainly aren't any shorter than the stock Sachs units.
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Old 20th June 2022, 07:48 PM
scottmgibb scottmgibb is offline
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I am in the process of rebuilding my suspension with Bilstein B6 dampers. I am using the old springs, but have had them re-painted.

I used parts numbers 24-066785 & 24-026161 and got one pair from Autodoc and one pair from www.bilsteinsuspensionstore.co.uk (as that was the cheapest way). Cost just under 500 for all four.

Nowhere near to the point of driving the car though, so cannot tell you how they feel unfortunately!
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Old 21st June 2022, 01:18 PM
Markiii Markiii is offline
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anyone know if the top mounts are available? suspect the may also be past their best
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Old 21st June 2022, 01:57 PM
MikkiJayne MikkiJayne is offline
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https://www.ebay.co.uk/itm/334297127576
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Old 22nd June 2022, 08:57 AM
Markiii Markiii is offline
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thanks MJ are they the same front and rear?
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Old 22nd June 2022, 09:18 AM
MikkiJayne MikkiJayne is offline
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Those are fronts. Rears are not available, but luckily don't tend to wear out.

4D0512169D if you want to try and find some - I've previously drawn a blank but its always worth poking around just in case

Last edited by MikkiJayne; 22nd June 2022 at 09:28 AM.
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Old 22nd June 2022, 10:15 AM
Markiii Markiii is offline
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thanks

yeah I'm not seeing anything listed for those anywhere
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