I can't tell.....driving myself crazy
Its generally louder in left front then add vibration noise like a helicopter noise, getting worse since started noticing it 5 months ago. Starts very early on (20mph) loudest at 45-50, not as noticeable at 60-65 (but everything is louder then).

So I can go to dealer and get diagnostic for $140 OR use that money for parts,
$40 for bearing,
$5. for axel nut
plus I should replace the CV boot while i am there,
clean out the CV joint (just in case noise is joint)
$15 for aftermarket boot
$40. machine shop pressing

I am cheap and stubborn so most likely will be out in the cold!

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2004, X5, 3.0, 202k+