Engine cooling system: Operating diagram
M4R
(1)
Engine
(2)
Cooling radiator
(3)
Water-oil heat exchanger
(4)
Heater matrix
(5)
Cylinder head thermostat
(6)
Throttle body heater
(7)
Cylinder block thermostat
(8)
Expansion bottle
(9)
Heater matrix output bleed
screw
(10)
Bleed screw on cooling radiator
(11)
Water pump
COOLING
19A-1
19A
124800