I'm very happy with my HD and Eibach pro springs. The cornering, body roll and turn in and out are all through the roof.

Its not to rough for me, but every car I have owned is stiff.

My e90 and e82 were far stiffer.

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01' e53 X5 3.0i - 140k miles
06' e90 m-tech 330i - RIP
09' e82 135i 11.3 1/4 mile @ 123mph - RIP
06' e53 X5 4.8is Le Mans blue - 400hp/410tq