Bmw cooling system fundamentals the engine hoses radiator and expansion tank are filled with coolant mixture.
Bmw e90 radiator fan.
The cap must be removed for the bmw e90 radiator to drain properly.
Radiators for bmw 3 series e90 e91 e92 e93 2006 2013.
Remove the coolant reservoir cap.
Remove the electric engine cooling fan.
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For instructions on how to do this please read our article bmw e90 cooling fan replacement 2007 2013 3 series.
When a bmw e90 cooling fan fails the fan will not activate or only activate at high speed.
How to test radiator fan on bmw maxicom scanner.
When repairing the cooling fan and shroud are replaced as a unit.
The water pump circulates the coolant and keeps the system pressurized.
Https amzn to 2dotdpf in this video we will be using maxisys ms908p to test the radiator fan on this bmw.
Diy bmw radiator fan stuck on high.
Cooling fan clutches and parts cooling fans and blades.
Electric water pump diagnosis buy your parts here.
In this article i ll go over the steps involved with replacing the radiator on bmw e90 models.
Inspect both radiator hoses and replace if necessary check for dry rot or splitting and examine to see that the sealing o rings are in good shape.
You will have to remove the electric cooling fan to replace the radiator.
The bmw e90 cooling fan s main function is to move air through the radiator when the vehicle is stationary or moving at slow speeds.
These cooling fans are troublesome and i would suggest replacing it while you have it out.
Remove protective plastic belly pan skid plate from the underside of your vehicle.
On a bmw this is a mix of monoethylene glycol and distilled water.