09 PP Suspension
#2
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Join Date: May 2014
Location: San Diego, CA
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09 c63 P30
Yes, I went from p30 suspension to H&R springs. They're definitely "softer" for DD, although I never had a problem with the stock spring rate, I just wanted a more subtle drop.
#4
Senior Member
I assumed it was the struts that cause the harshness. I have a P30...keep thinking I'll find someone with a non P30 w/ coilovers and buy their stock struts/springs.
#5
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