I guess I'm only preventing rain from flowing around for the most part. I don't usually have to worry about large accumulations of mud or snow on my shoes.
2014 EBII 435i xDrive M-sport
Gone: 2011 TiAg F25 X3 xDrive35i M-sport
Gone: 2008 TiAg w/Coral Red E88 135i Cab M-sport