Do you have a part number for that joint? I've checked RealOEM and there's no number for just that part, only for the whole assembly. I did find this ( http://www.ecstuning.com/BMW-E53-X5-...olumn/ES52549/ ) at ECS Tuning, but would like to shop around a bit before dropping that much money.

Also, since the replacement is a bit costly, I wonder if there is any way to refurbish/refresh the old one. Any thoughts?

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2001 X5 Sport 3.0/5-speed
1998 318ti/5-speed
1988 735i/5-speed
1984 528e/5-speed (soon to be M20B25-powered 525i!)