Bmw 3 Series Heater Blower Not Working

14 people found this helpful. This is typically a failing final stage unit.

2004 2013 Bmw 3 Series Fuses

Amazon Com Karpal A C Heater Blower Motor Assembly 64118372797

Isance Hvac Heater Blower Motor Resistor 64116920365 For Bmw 3

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 3 series heater blower not working. Cleaning them with electrical parts cleaner the non flammable version usually did the trick. If its not the fuses the blower repair job on an e36 is about 6 8 hours. This would apply to electronically controlled bmws.

The blower may go on and off or vary its speed with no input from the control unit. Well the blower fan was working in one speed and was in the number 3 but now the blower fan just stop working. In the e30s dirty resistors in the firewall were the culprits.

If its leaking at all replace it at the same time. In bmw cars the blower motor resistor often overheats due to incorrect current measurements implemented during the design and engineering of the vehicles. Bmw e46 heater fan not working correctly.

Check the heater core while youre in there its in the same place and they are a common failure point to. This is very common on the later model bmws 3 series 92 on with automatic heatac 5 series 97 on 7 series 95 on x5 z4 etc. If you have a bmw e46 e39 x5 and i think the e36 with climate control and your heater fan has a mind of its own it is most likely the final stage resistor that is causing the problem.

This can cause the hvac fan to not work at all due to motor failure and it is unable to blow any air out of the vents. 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. E46 1999 2006 hey guys im a new bmw e46 owner from the uk had a few glitches with my car 2001 330d tourer and have managed to solve all of them from reading posts on this forum and a few others.

Ac blower fan not working. 3 erratic blower operation. Hvac fan doesnt work at all.

You have to tear apart the whole dash.