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#2: Re: Apex lowering springs for E30 6 potter Author: kura2, Posted: Sat Jul 25, 2009 1:52 pm ---- tokey hensem, what's the spring rate? harder/softer than eibach pro-kit? 30mm or 60mm drop? tq.
#3: Re: Apex lowering springs for E30 6 potter Author: jeembo, Location: Car_JunkPosted: Sat Jul 25, 2009 3:26 pm ---- E30 320i X-LOW 82-90 - Lowers by 60/40 mm - Part No 20-1035
The ride will be a little firmer, say sportier, but never too harsh:)
not sure the spring rates. calculate urself bro kekekekke....
(spring rate) = modulus of rigidity X wire diameter divide by 8 X spring index X number of activity...something like dat la hehehehe
