No way is it sway bar links.

It is likely the thrust arm bushings. Could be pad deposits on the rotors if you've just done some 'enthusiastic' driving, like say take it out on a track for a session or three.

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Kirk
Las Vegas
2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo
2011 E90M3, 6-speed manual