How about transfer case chain slack? I would look there first. Search for this. I think there were members that were able to check the slack with the transfer case still on the car.

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2006 4.8is, Black on White. SOLD Sniff Sniff.

2017 F85 x5m, Black on Red. BEAST MODE


"The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain

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