F10 M5s have two separate coolant loops (main engine and turbos/charge-air coolers) with coolant lines and turbo hoses being common failure points requiring proactive replacement.
Coolant system and turbo line maintenance
BMW F10 M5 · mechanical
F10 M5s have two separate coolant loops (main engine and turbos/charge-air coolers) with coolant lines and turbo hoses being common failure points requiring proactive replacement.