Restudying with same material

If this has been answered maybe I'm not bright enough to find the thread, however, I studied hard for the mcat. Got a 502. Got a 508 on the scored AAMC and like 504 on my best Kaplan practice test. It will be about 6 months that I will have gone (or more) before I begin to re-study with the same Kaplan material. Yes, I did just about everything Kaplan had to give. But I doubt I remember it at all. Is re-using the same material a poor choice?

Edit* I have the kaplan course. Im going to...

Restudying with same material