Bmw 328i Fan Not Working

The fan has a final stage resistor built in so it gets a pwm signal for activation and speed.

Bmw 328i fan not working. Is it most likely to be the blower motor or possibly a resistor. My 2000 bmw 328i ac is not cooling like it used to. Bmw 328i heater is not working repair symptoms heater blower motor replacement when the blower motor fails the air conditioner and heater may still work and heat or cool may be felt at the vents but the air pressure will be dramatically decreased. Bmw e46 heater blower resistor fsr.

I had th read more. If the blower motor is no longer working on any speed we have two main potential faults. General e46 forum this is the place to get answers opinions and everything you need related to your e46 sedan coupe convertible and wagon bmw. Bmw 328i ac or heater fan not working.

Page 1 of 2. Bmw blower fan heater not working. The fan will usually store a fault in the dme for activation or ihka system faulted for excess pressure because fan is not coming on. Bmw 3 series blower motor not working.

328i overheating radiator fan not engaging register. Learn about this problem why it occurs and how to fix it. The fan should have been on at 100 during an overheat situation. Check power and ground at the fan connector.

Our initial testing should provide a determination of where the fault lies. 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 this video might be helpful on. When adjusting the fan speed nothing happens. 2 thread tools.

Youre definitely looking for a final stage resistor. When the fan does not work we could be looking at a faulty fan motor low speed fan resistor temperature switches low speed or high speed relay fuses or wiring problems. 09 06 2009 0748 pm 1. Bmw 328i blower final stage fan resistor may fail 119 reports.

This answer while noting specific issues and locations for the e46 3 series models 99 05 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi m3 is applicable to most if not all bmw models from the mid 90s on for an inoperative heat or ac blower motor. Motors expert 24662 views. How to fix bmw ac heater fan not working duration. Fans worked but now ac does not get cold.

How the system functions non modulated fans most models through late 90s.