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      03-25-2019, 11:42 AM   #7
FaRKle!
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Drives: 328d Wagon, M2 Comp, i4 eD35
Join Date: Sep 2016
Location: Bay Area, CA

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I found an old post of mine where I copied the TUV documentation data from Eibach and ACS' sheets and posted it. You can clearly see the ACS springs are the same as various Eibach ones.

Quote:
Originally Posted by FaRKle! View Post
Eibach F31 front spring 11-20-031-02-VA:
-Max load 1020kg
-Linear spring
-156mm outer diameter
-13mm wire diameter
-247mm unsprung length
-4.5 coils
-Spring rate 29 +/- 1.45 N/mm

ACS F31 front spring 3130231310:
-Max load 1020kg
-Linear spring
-156mm outer diameter
-13mm wire diameter
-247mm unsprung length
-4.5 coils

Eibach F31 rear spring 11-20-014-14-HA:
-Max load 1285kg
-Linear spring
-100mm outer diameter
-14.75mm wire diameter
-307mm unsprung length
-9 coils
-Spring rate 95 +/- 4.75 N/mm

Eibach F34 rear spring 11-20-031-03-HA:
-Max load 1310kg (original rating was for 1280kg, revised 11/2017)
-Linear spring
-94mm outer diameter
-14.25mm wire diameter
-300mm unsprung length
-9.75 coils
-Spring rate 95 +/- 4.75 N/mm

ACS F31/F34 rear spring 3353231130:
-Max load 1280kg
-Linear spring
-94mm outer diameter
-14.25mm wire diameter
-300mm unsprung length
-9.75 coils
Appreciate 0