I used the Nanoskin and loved it. Cut down the claying process by 80%. I didn't know that it did not pick up 100% of the contaminant. After the Nanoskin, the paint feel very smooth to touch.
2014 435i M Sport //AW, CR//premium, tech, lightening pkgs//20% tint//full clear bra//ppk//blk grills....more to come