Since the system is not an operating system like Windows, some of USB sticks may not work with larger capacity. We already have one case with 8GB which works perfectly on PC but not with BMW.
2014 F32 435i M Sports Line Black
2012 F30 335i Sports Line Alpine White (retired)
2011 F25 X3 28i Silver
2010 E83-LCI X3 3.0 Silver
2007 E90 328i Gray