Throwback to last year when we gathered all previous generations of the world’s greatest performance sedan for an on-track performance test in the lead-up to the seventh generation’s arrival. Which generation of the #BMW M5 is your favorite? Tap the link in our bio for the full story.  Photos by JonathanMcWhorter #ThrowbackThursday #TBT #BMWM5 #M5 #drive #review #carsofinstagram #cargram #roadandtrack