I ordered some BC Racing BR + that came with swift springs. Circuit motor sports offered me custom spring rates, but I went with stock. I tried finding the spring rates for KW's ,but no luck. What is your opinions? did I make the right choice of staying with stock spring rates? Always after I make a payment I start to have second thoughts...

What I went with:
Front=9kg/mm(500lbs/inch), rear=12kg/mm(671lbs/inch)

Edit: I have sport package and I'm comfortable with the ride. Just the thought on possibly having a "better" ride by adjusting the spring rates.

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2004 E53 X5 4.4i