The only answer it seems would be aero......... but, I am not so sure about those two lil things having any sort of affect on the aerodynamics of such a large SAV.
Originally Posted by ANZAC_1915
yep, wind deflectors. Very common these days.
1999 Prelude SH / Pearl White /
2007 X3 Sport / Jet Black /
2010 X5 Sport / Sapphire Black /
2013 X5 M-Sport / M-Power / Alpine White /