No power to radio or CD changer on 1991 BMW 535i

I am not getting any power to my Radio or CD changer? Are there any fuses other than under the hood?

Asked by for the 1991 BMW 535i
There is a front and rear fuse panel. Here is a link to a site that will identify the fuses.
thanks, this helped alot. found fuse under rear seat - left side for radio circuit. replaced and it fixed problem