The bmw e46 water pump is the heart of the engine s cooling system and should be immediately replaced if there are any indications it is failing.
Bmw e46 water pump diy.
The water pump has a big job.
The water is then pumped into the engine and back to the radiator.
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Its sole purpose is to pump a continuous pressurized stream of coolant throughout the engine compartment.
Radiator and coolant overflow tank.
How to bmw e46 m3 waterpump thermostat diy on bmw e46 m3 diy merchandise.
Bmw e46 cooling system components include.
The bmw e46 water pump has only one job and a pretty darn important one at that.
Every part of your bmw is important and when a single part is malfunctioning the health of your entire automobile could be in danger.
It s responsible for pushing coolant from the radiator into the coolant system.
If the water pump isn t working properly coolant just sits in the system.
The e46 m3 s water pump is different however much of this procedure applie.
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If you haven t seen part 1.