Bmw E90 Radiator Fan

Remove the coolant reservoir cap.

Bmw e90 radiator fan.

Cooling fan clutches and parts cooling fans and blades. Radiators for bmw 3 series e90 e91 e92 e93 2006 2013. The cooling fan is responsible for maintaining proper engine coolant temperature and a c cooling. In this article i ll go over the steps involved with replacing the radiator on bmw e90 models.

You will have to remove the electric cooling fan to replace the radiator. The water pump circulates the coolant and keeps the system pressurized. For instructions on how to do this please read our article bmw e90 cooling fan replacement 2007 2013 3 series. How to test radiator fan on bmw maxicom scanner.

Diy bmw radiator fan stuck on high. 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. On a bmw this is a mix of monoethylene glycol and distilled water. The cap must be removed for the bmw e90 radiator to drain properly.

Bmw cooling system fundamentals the engine hoses radiator and expansion tank are filled with coolant mixture. Bmw e90 models utilize an electronic cooling fan integrated into the cooling fan shroud. Remove the electric engine cooling fan. Http go magik ly ml 7uko here i will explain the diag proces.

When a bmw e90 cooling fan fails the fan will not activate or only activate at high speed. When repairing the cooling fan and shroud are replaced as a unit. Electric water pump diagnosis buy your parts here. These cooling fans are troublesome and i would suggest replacing it while you have it out.

In older 3 series model cars like the e46 this was accomplished with a belt driven fan on a thermo activated clutch hub.