Does anyone know what these three things are?

http://www.f30post.com/forums/showthread.php?t=723133

Sensors, vents, microphones? I cant find anything in the manual that describes what these are. Thanks!

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2013 BMW 335i: M Sport Line, Black Sapphire Metallic, Black Dakota Leather, 19" 403M Rims, Aluminum Hexagonal Trim, Black High-Gloss Accent, Premium Package, Technology Package, Dynamic Handling Package, Harman Kardon Surround Sound System, Sports Automatic Transmission, Heated Front Seats.
GO GATORS!!!