Question about 2001 BMW 325

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Bmw e46 heater actuator

I am going by your diagnosis as all other attempts has failed but how do i reach the final stage unit in the car

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Usually when your system stops blowing hot air it is your thermostat that is shot. That would be located where your top hose of your radiator meets the top of the engine. Check that because its easier to replace than a tear down to get to the actuator. Hope that helped.

Posted on Jan 13, 2009

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Heater relay 97 bmw


Go to the front power distribution box and check 30A fuse 20 (GRN/BRN wire) which feed power to the blower relay. When the ignition switch is in START or RUN position, the relay closes and power is fed to the final stage unit. Depending upon the state of the automatic climate control module, power output from the final stage module is applied to the blower motor. If checking all this does not solve the problem, you may have a clogged heater core

Oct 16, 2012 | 1997 BMW 3 Series

1 Answer

My 2000 e46 bmw heater blower not working, i've checked the fuse


The E46 blower resistor is harder to remove than the E39 .
Open the Glove box.
Remove the three phillips screws across the top of the open box. Remove the two phillip screws that are deeper in on the sides of the open box(nine and three o'clock). Hard to see, use your flashlight. With these five screw removed remove the glove box. Disconnect the flashlight charger plug, and the glove box light connector. Pay attention to the wire routing. Remove plastic cover behind glove box. Locate motor and metal link to one of the a/c doors. Remove the metal arm from the plastic clip. Slide motor out and disconnect. There is an odd shaped black plastic piece with two T-20 or 25 Torx screws that need to be removed.Remove plastic piece. The Final stage is located behind the metal arm for the a/c door.R emove the floor heater duct for more room. You may or may not feel the need. If you wish pull on the leather extension to the center console outward until you hear a loud plastic cracking. Stop. Take a deep breath and know that you have broken nothing important Remove heater duct careful not to break the blend air door cam (white) and the lever connected to it (black).
You can pull that black lever out if you are patient. Back to the final stage now that you have more room. It is the component with the 5 0r 6 large gauge wires on the connector. Push back the black plastic clamp while pulling/wiggling on the connector.
The final stage should come out, then disconnect the connector. Reinstall all. Make sure the heater duct is installed properly if you removed it.

Sep 08, 2009 | 2001 BMW 325

1 Answer

My bmw x5 vents are not working, it is quite tempermental it works some times, can you please help


If the blower for the vents turns on and off at will, then the finals stage for the blower has failed.
This controls the blower speed, its located on the right side of heater box under the dash.
Google x5 final stage.

Sep 04, 2009 | 2002 BMW 5 Series

2 Answers

Heater blower not working


It sounds like your cabin air filter has stopped up common problem on these cars. You have to remove the glovebox to get to it. If this filter stops up, your fan will be running on high but hardly anything will come out of the vents.

May 31, 2009 | 2001 BMW 325

2 Answers

Heater blower not working


The blower is not the problem
The problem is a faulty final stage resitor located
on the passenger side under the dash.
Very common - easy to replace.

May 28, 2009 | 2001 BMW 325

2 Answers

Heater blower not working


Hello picotto2006....Your beemer blower motor has a resistor that controls and regulates the voltage and speed. This has been known to to fail due to intensive heat. A lot of beemer owners have replaced the orginal factory resistor with an aftermarket upgrade.
It is a rectangular plastic or fiberboard unit and should be bolted to the base of the heater box. This resistor has most likely failed.
Replacement cost is about 75 dollars for the E46. Attached is a picture of the resistor.
Good luck and i hope this will fixya up and get the beemer heater back in operating condition.df23cb9.jpg

May 20, 2009 | 2001 BMW 325

1 Answer

My air conditioner is not working on my 2002 BMW X-5. The air is cool it just won't blow out.


If there is air moving through the vents most likely the final stage transistor(blower resistor) has failed. It controls blower speed from a signal from the ihka (a/c control panel). the final stage receives the signal from the ihka of the drivers preference blower speed. the final stage pwm (pulse width modulates) the blower motor. which means it turns it off and on very quickly to speed up or slow down the blower motor speed. It isn't the easiest part to replace. Usually at a dealership i would expect to pay somewhere around $600 (including diagnosis)but don't hold me to it. bmw dealerships stand behind their repairs and usually include a warranty with the part of 2 years unlimited mileage.

May 07, 2009 | 2002 BMW 5 Series

1 Answer

My ac is blowing at various strengths no matter what setting


the final stage transistor(blower resistor) has failed most likely. It controls blower speed from a signal from the ihka (a/c control panel). the final stage receives the signal from the ihka of drivers preference blower speed. the final stage pwm (pulse width modulates) the blower motor. which means it turns it off and on very quickly to speed up or slow down the blower motor speed. It isn't the easiest part to replace. Usually at a dealership i would expect to pay somewhere around $600 (including diagnosis)but don't hold me to it. bmw dealerships stand behind their repairs and usually include a warranty with the part of 2 years unlimited mileage.

May 03, 2009 | 2003 BMW 325

1 Answer

Heater not blowing hot air E46


I recently had a problem where the car was not blowing air into the cabin. I Changed the final stage resistor (also known as the "hedgehog")and all is good. its located in the driver footwell, remove the panels under the steering wheel, and you will see it stuffed up in the top left corner.

Dec 19, 2008 | 2001 BMW 325

2 Answers

1998 328i


well you need more detail to know, start by check your fuses

May 26, 2008 | 1999 BMW 328 Series

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