Was your E60 bought used? I see you owned it but spent over $40k maintaining it, which means you were out of warranty. Are you flipping the F10 after 4 years or will you extend the warranty?
2001 e46 330ci, 2002 e46 M3, 2013 F10 M5 - GONE
2016 991.1 911 Carrera GTS
2016 F85 X5M - Carbon Black/Mugello Red