Bmw 318i Radiator Fan Not Working

Engine cooling fan doesnt work.

Bmw 318i radiator fan not working.

41 of the time it s coolant leak water pump radiator hose etc. A malfunctioning thermostat debris or natural buildup. I have a 1998 bmw 318i the radiator fan is not working properly at first the fan would turn on and then it turn off but the car would overheat now the fan doesn t turn on and the car is over heating what could be causing this problem. Test the switches resistor and the fan as follows.

This is referred to by bmw as the pusher fan. Hosting a forum like this is not free. Bmw e90 radiator fan fuse location and replacement e91 e92 e93 bmw 325i 328i 330i 335i 316d 318d 320d 325d 330d 335d 316i 318i 320i 323i 325xi 328xi 335xi th. As mentioned before when coolant cannot properly flow through your bmw s engine it cannot help maintain the temperature.

Located in front of radiator. The cost to become a supporter is a nominal 10 00. If so retry the test jumpering from terminal 30 to 87a. Most bmw models 99 and later and all minis do not have the radiator mounted temperature switches.

The fan should come on at high speed. On the earlier bmw models the fan s low speed resistor may be faulty or the radiator temp switches that control the fan may be faulty. For compression frame only. Replace the high speed relay.

If the fan does not run check for 12 volts at terminal 30 in the relay socket. If it does the fan motor is ok. 1984 318i sold. A clogged cooling system is usually due to one of a few causes.

While there are a variety of reasons your bmw 318i is overheating the most common 3 are a coolant leak water pump radiator hose etc the radiator fan or a failed thermostat. Click the link above.