Bmw E90 Radiator Fan Replacement

The cap must be removed for the bmw e90 radiator to drain properly.

Bmw e90 radiator fan replacement.

Bmw e90 models utilize an electronic cooling fan integrated into the cooling fan shroud. For instructions on how to do this please read our article bmw e90 cooling fan replacement 2007 2013 3 series. All early models with gasoline engines have a high radiator fan failure rate. A bmw e90 cooling fan replacement may be necessary if it is not turning on when the radiator temperature exceeds normal operating levels.

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. Fixes bmw e90 models have an advanced radiator fan control which uses a pulse width modulated or pwm signal to regulate the fan speed. Remove protective plastic belly pan skid plate from the underside of your vehicle.

This allows infinite speed regulation unlike hi low speed on older cars and helps increase efficiency and fuel economy. Radiator fan switch replacement location bmw e90 e91 e92 e93 if you need to replace the radiator fan switch on bmw e91 e90 e92 e93 we will explain in this.