The cooling system in the 2013 BMW F06 M6 Gran Coupe engine. The engine and charge air cooling both have separate cooling circuits. The engine cooling is done by a conventional coolant pump. In this engine, higher coolant flow rate is achieved by the modified impeller geometry of the coolant pump. The cylinder head cooling has also been optimized. The cooling module only comes in one variant.

The following schematic illustrates the 2013 BMW F06 M6 Gran Coupe Engine Cooling Circuit Diagram.

2013 BMW F06 M6 Gran Coupe Engine Cooling Circuit

1.    Expansion tank
2.    Coolant filter pipe
3.    Coolant valve
4.    Coolant pump
5.    Electric fan
6.    Radiator
7.    Plug connection for electric fan
8.    Coolant temperature sensor at radiator outlet
9.    Map thermostat
10.    Coolant temperature sensor at engine outlet
11.    Inlet for hot coolant from engine in coolant pump
12.    Inlet for cold coolant in the engine
13.    Inlet for cold coolant pump for passenger compartment heating
14.    Heat exchanger
15.    Coolant level sensor

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