All the ragging on the WINGS program not withstanding...
For my last BFR we did the required ground chit chat time and then for all the flight time I sat in the RIGHT seat. I fly safety pilot quite frequently but I had never landed from the other side.
So, as I think mentioned previously, use the BFR time as you'd like to gain or practice skills. Endorsements are easy, and as many have said, a new certification is an automatic BFR.