Is that true, my CA told me not to install this Side Window Rain Deflector Set(PN: 82 11 0 417 978), for some reason the windows wont completely closed. Pls advise. Thanks

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2010 X5 4.8i (Pickup Date 11/16) Space Gray/Black/Dark Bamboo w/ZRC,ZCW,ZPP,639,322, 316,508,386,328,494