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Car engine cooling system BMW 3 Series E46
Cooling and Heating System Specifications
General parameters Location of sensors in the right front part of the engine compartment Individual characteristics are also given in the text of the Chapter...
General parameters Location of sensors in the right front part of the engine compartment Individual characteristics are also given in the text of the Chapter...
Engine cooling system device
Cooling circuit diagram 1 — radiator 2 - expansion tank 3 - interior heating 4 - thermostat 5 - coolant pump 6 — cylinder block 7 - return 8 - serve 9 —...
Cooling circuit diagram 1 — radiator 2 - expansion tank 3 - interior heating 4 - thermostat 5 - coolant pump 6 — cylinder block 7 - return 8 - serve 9 —...
Replacing the coolant
To carry out the work you will need: Inspection pit or hydraulic garage lift with supports. Open-end wrench or socket. Coolant container. Antifreeze. Only...
To carry out the work you will need: Inspection pit or hydraulic garage lift with supports. Open-end wrench or socket. Coolant container. Antifreeze. Only...
Checking the thermal switch
The thermal switch is located at the bottom hose on the radiator. It turns on the electric fan when the coolant temperature reaches a certain value....
The thermal switch is located at the bottom hose on the radiator. It turns on the electric fan when the coolant temperature reaches a certain value....
Checking the cooling system under pressure
The tightness of the system and the operation of the safety valve in the radiator cap can be checked using a special tool, such as the HAZET 4800/9. When the...
The tightness of the system and the operation of the safety valve in the radiator cap can be checked using a special tool, such as the HAZET 4800/9. When the...
Connecting and disconnecting the quick release coupling
The coolant hoses and connections are connected by quick-release couplings. The connection/disconnection of the quick-release coupling is described using the...
The coolant hoses and connections are connected by quick-release couplings. The connection/disconnection of the quick-release coupling is described using the...
Removal and installation the thermostat — removing and installing
The thermostat opens a large circulation circuit when the coolant temperature rises. If the thermostat fails to open due to damage, the engine overheats. This...
The thermostat opens a large circulation circuit when the coolant temperature rises. If the thermostat fails to open due to damage, the engine overheats. This...
Removal and installation the fan/fan shroud
Removal 1. Remove the intake air guide by removing the clamp with a small screwdriver (arrows in the illustration). 320i 2. Remove the suction pipe at the EGR...
Removal 1. Remove the intake air guide by removing the clamp with a small screwdriver (arrows in the illustration). 320i 2. Remove the suction pipe at the EGR...
Removal and installation a fan with a viscous coupling
320i, 323i, 328i with air conditioning The viscous coupling fan is attached to the coolant pump shaft. Together with the electric fan, its job is to supply...
320i, 323i, 328i with air conditioning The viscous coupling fan is attached to the coolant pump shaft. Together with the electric fan, its job is to supply...
Removal and installation of the radiator — removal and installation
As a result of long-term operation of the car, the thin channels in the radiator can become clogged with sediments contained in the coolant and lime deposits....
As a result of long-term operation of the car, the thin channels in the radiator can become clogged with sediments contained in the coolant and lime deposits....
Removal and installation the coolant pump
The coolant pump is driven by a V-belt. 320i, 323i, 328i with air conditioning: A fan is mounted on the front of the coolant pump shaft. Models 316i, 318i,...
The coolant pump is driven by a V-belt. 320i, 323i, 328i with air conditioning: A fan is mounted on the front of the coolant pump shaft. Models 316i, 318i,...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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