Just wanted to thank Tom for his assistance & very creative and affordable solution. We got stranded on 95N the night before thanksgiving the wife, kids and I. After towing back the X to the DC area, I heard from my mechanic on Monday telling me to basically replace the transfer case & drive shaft. In my case this would be the 2nd time around. Long story short, I called Tom and shipped him my drive shaft which he repaired and mailed right back. I picked up the X yesterday and couldn't be happier about the outcome.
Good solution if you have an older X & don't want to spend $2500 just in parts.

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X5 4.4
E46 M3 Vert