I didn't do the work myself as I don't trust myself just yet in the brake/rotor dept for a beginner DIYer.
ill ask my mech if he used any anti-squeal while installation.

Thanks for the inputs fellas. The squealing is not happening at every braking. It's very intermittent.

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2011 X5 35d 123,000 miles sport space gray/oyster

2005 X5 3.0i sport package Style 211
157,500 miles

2005 Chevy Avalanche Z66 BFG T/A Offroads