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Thread: Climate control fan

  1. #1
    Join Date
    Jul 2013
    Location
    Ontario Canada
    Posts
    19
    My Cars
    2003 320i, 1998 318 rb25

    Climate control fan

    I have a 2003 320i .. The climate control fan only works when it feels like it and only on high when it does. When it does work head blows hot at ac blows cold. Replaced the fsr without any luck. Figure I will look for advise on here before I get out a multimeter and start searching for wiring schematics.

  2. #2
    Join Date
    Mar 2015
    Location
    west chicago il
    Posts
    509
    My Cars
    01 E46 330i 5sp man spor
    That is usually the symptoms of a bad final stage unit. You already replaced that? What brand did you use and where did you get it? Was there ANY changes to the blower operation after that? Does it operate on high when the control is set low?

    Sent from my SAMSUNG-SM-G870A using Tapatalk

  3. #3
    Join Date
    Jul 2013
    Location
    Ontario Canada
    Posts
    19
    My Cars
    2003 320i, 1998 318 rb25
    Made by hella from ecs tunning. The fan did not work at all before replacement. After replacement fan worked for a short period and now works intermittently. Does not work at all when set to low.

  4. #4
    Join Date
    Mar 2015
    Location
    west chicago il
    Posts
    509
    My Cars
    01 E46 330i 5sp man spor
    Get another one.

    Sent from my SAMSUNG-SM-G870A using Tapatalk

  5. #5
    Join Date
    Mar 2015
    Location
    west chicago il
    Posts
    509
    My Cars
    01 E46 330i 5sp man spor
    Looks like the newer Behr/Hella FSU is made in China. Used to be a good product when made in Germany. Now cheap Chinese crap. FSU has always been a problem for all the cars that use the same part but it should last years not minutes, hours, days ect. Of all the vehicles this part is used in, e46's are by far the most difficult to replace due to removing the glove box and hvac stepper motor. E39's are super easy with a total of three screws. It's still not difficult to do, just a little more time. Look for a part made in Germany or Europe instead of China or Taiwan so you don't have to keep replacing it.

    Sent from my SAMSUNG-SM-G870A using Tapatalk

  6. #6
    Join Date
    Aug 2013
    Location
    Seattle, WA
    Posts
    1,433
    My Cars
    1999 BMW M3 Coupe
    I got the OEM FSU from Pelican several months back for my M3 and it works fine. $55 I think.
    1999 M3/2/5 - Titanium Silver - Track/Weekend Toy


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