BMW M5 E60 Turned Into Ultimate Weekend Track Racer!

We’d totally understand it if someone took a mid 90’s BMW M3 E36 with half a million miles and turned it into a nice weekend track racer, but completely gutting out a 2006 BMW M5 E90 -yes, the latest model with the 507Hp V10 powerhouse- is something that doesn’t quite sound right. The owner of the car says that he was able to remove a total of 600 lbs or about 272kg from the BMW M5’s body –