The BMW 325I engine is cooled by a fan that is attached to the radiator. This fan propels cool air throughout the engine unit to prevent over-heating. Replacing the fan of your BMW 325I ensures the maintenance of your engine and connected parts, which promotes your vehicle's function. Removing and replacing your fan is a budget-friendly job that saves mechanic costs.
Decide between purchasing an aftermarket fan or an original equipment manufacturer (OEM) fan. OEM parts are typically more expensive than aftermarket parts. Research and compare fan prices on websites such as auto parts sites, BMW forums where BMW owners and mechanics discuss and sell car parts and BMW's official site. You can also visit a BMW dealership or auto parts store to find a BMW 325I fan within your budget. Type in the year and model of your BMW in the search box on an auto parts site or tell this information to a salesperson at a store to ensure that you purchase the correct fan for your car's year and model.
Sit in your driver's seat and find the hood release lever located under and to the left of your steering wheel. Pull the lever toward your body to release the hood of your car. Go to the hood of the car and locate the plastic latch that protrudes from the grill. Pull the lever out and up with your hands to open the hood.
Locate the engine and attached fan that is connected to the water pump. Place your 32 mm wrench around the fan nut that holds the fan in place. Apply force to loosen the lug nut by hammering the wrench in a clockwise motion. Place the nut aside for re-installation.
Spin the fan clockwise, using your hands to loosen and remove it. Discard the old fan.
Turn your BMW 325I replacement fan clockwise to fasten it onto the water pump. Screw in the fan nut that you set aside in Step 3 with the 32 mm wrench. Close the hood of your car.
