I am hoping to get the exhaust upgrade for my 'on order' 2013 550i during the sale but Dinan has not yet test fitted it to a 2013 apparently. Good that they don't take it for granted that there is no change in system.
They promise to let me know when they have tested it with a 2013 model.
Looks like the software upgrade is compatable.
It isn't broken yet but I can fix that!
2013 550i Titanium Silver Metallic Dinan S3 , BMW F800ST, ML350