It should be ok – I cannot remember anything Earth-shattering happening in the last 2 years.
Just make sure that you update your material by downloading the past exams from the ACCA website to add on to the material in the 2012 text. I presume that you have also a 2012 revision kit / exam kit. If I’m wrong, download ALL the F7 exams from the ACCA website since December 2007 inclusive
Also make sure that you download, and read, all the technical articles from Student Accountant for the last 3 years that are relevant to F7