I had multiple errors on disc 1 at 18.5%. As I was on a long drive anyway and had no option to just burn another there and then I kept retrying and it went through. Disc 2 was no problem and then disc 3 did the same at about 89%. Went through aftter a few goes though.
Current: 2014 F31 320d M-Sport, Professional Media, Visibility Pack, Reversing Camera, DAB
Previous: 2013 F10 520d M-Sport, 2011 F10 520d M-Sport, 2008 320i M-Sport Coupe, 2002 325i, 2001 318i valvetronic, 1998 318i, 1996 525i, 1990 Porsche 944S2