Question about 1999 BMW 323 Series
1999 E46 BMW 323i. Problem started after replacing the radiator unit along with water pump, thermostat unit. I had my AC unit on with the engine on in parking area. Engine shuts off itself. Found out no fuel, no spark and a blown fuse under hood by driver side. Replaced fuse but it keeps blowing when the blower is turned on. Any idea what causes the problem? Short circuit? What causes the engine shuts off while driving. What so bad to shut of the entire engine while running on freeway.
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Posted on Jan 02, 2017
SOURCE: heater blower not working
I don't know if this is a long-term solution but I found it on another "how-to" website: on my 2001 E46 I removed the fuse (#50) for one minute. Something about the transistors inside the FSU (final stage unit, or blower resistor) resetting themselves with the constant power removed. I replaced it and drove home, which is a 1-hr drive, and the fan was on steady the whole time. Which it hasn't done in the 3 yrs I've owned it. I tested it at other speeds and it worked well. Don't know how long it will last though. If not, you need to replace the Blower Resistor - there about $75.
www.bimmerwerkz.com is an excellent source of info! They have pics, utube video, and diagrams to help you.
Posted on May 29, 2009
i had the same problem. when you press the close/open button can you hear clicking noise under the pannel? if yes, you will hawe to chenge the relay. only place to get it is from this site: http://www.bmwgm5.com/GM5_FW_Relays.htm
Posted on Jul 08, 2009
please help me with location of this blower resistor n 64116923204in the bmw 318 i tank firstname.lastname@example.org
Posted on Aug 30, 2009
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.
Posted on Sep 08, 2009
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