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      03-17-2012, 10:34 AM   #28
JNoSol
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Drives: F06 and F80
Join Date: Feb 2012
Location: Kansas City

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ACS source their springs from Eibach (who manufacture springs). This doesn't mean Eibach Sport = ACS Springs. Testing and engineering are still done by ACS. Suspension Technique (ST) is another large company that manufacture springs, which can be found in KW and other suspensions. This doesn't mean ST Coilovers = KW Coilovers, different material/spring rate/technology/quality.