These are the exclusive M5 leather variants: X2A9 - Full Merino Climatic Leather*, Silverstone II (*the one with holes in it) X2A8 - Full Merino Climatic Leather, Sepang Light Bronze X2SW - Full Merino Climatic Leather, Black X3B1 - Full Merino Leather, Portland natural brown X3A9 - Full Merino Leather, Silverstone II X3A8 - Full Merino Leather, Sepang Light Bronze X3A7 - Full Merino Leather, Indianapolis Red X3SW - Full Merino Leather, Black LKA9 - Merino Leather, Silverstone II LKA8 - Merino Leather, Sepang Light Bronze LKSW - Merino Leather, Black sursa : http://www.m5board.com/vbulletin/e60-m5-e6...ther-codes.html alta sursa : http://www.leathermagic.com/Pages/BMWcolrchart.htm