It's not the level sensor rod. I checked it. Maybe a hose or cable support. I'll back it up on ramps and take a look.

Test drove it today! Success! No more wheel bearing noise. No wheel sensor errors either. The bearing freaked me out. I thought I had it backwards. The Moog bearing has sensor rings on both side. The hub is actually bigger. I'll combine new bearing and OEM bearing pics for comparison. I'll take it on short drives to heat up the bearing and break it in. Washed and put it back under the BMW OEM cover. While it's at my friends ranch, I may also wax it. I'll continue to prep the OEM hitch for installation.

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'06 X5 3.0i - bought @143,123 miles (12/26/20)