Ok, so I now have the not uncommon violent shaking when braking hard at speed.

I'm at 47k miles, thrust rod bushings were replaced a year and a half ago at 35k miles with Meyle HD's, and the tie rod assemblies replaced a year ago at 37k miles with Lemforders.

I searched and thrust rod bushings and wishbone control arms are common culprits. Any ideas to narrow down what's causing this?

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04 X5 3.0i auto
03 X5 4.6is