Do you have the Sport suspension?

You can be certain that your ride will get much firmer - you are going to hear a lot more creaks/squeaks in addition to a less comfortable ride. Initial turn-in feel will be much improved, and if you get large width tires the SUV will track into road grooves much more. The handling is excellent, the look is good, the comfort is reduced.

-Cyrus

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2002 BMW X5 4.4i