No brainer. Had an E93 M3 before this. Loved my E93 but this M5 is just in a different class. The interior is wonderful. So much more luxuriously appointed than the 3. Night and day difference. The roominess compared to the 3 is also very welcomed. Especially if you use the backseats. Havent even discussed the power yet as I dont think there is a need to. It's obvious. The car just feels like a mature supersports sedan. I felt slightly boy racerish in my M3 at times.
2016 Individual M5
2015 F86 X6M
2015 i3-REX- 2012 Wrangler Unlimited