The Hydro/Thermo Engineers in Stuttgart have designed the Cooling System/Passages/Thermostat Housings in an "Maze" configuration such
that the Thermos have Three distinct Operational Phases.
1.Closed
2.Variable/Bypass
3.WOT

(With what we've learned about German Engineering in the last Hundred Years
the Systems are designed to default/Fail "Open".

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