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Thread: Relocate fan behind radiator.

  1. #1
    Join Date
    Apr 2020
    Location
    Norway
    Posts
    2
    My Cars
    BMW E46 320D

    Relocate fan behind radiator.

    Hello I am trying to mount a bigger intercooler on my car. I went for the airtec one, but the problem i am having is mounting the fan behind the radiator as the fan will not fit when using the new intercooler. I was trying to see any logical way to mount the fan, but i am unable to find anything that i can mount the fan in. One thought i am having is cutting the edges of the fan to try and fit in inside the radiator shroud. But i am not sure if that is the best solution.

    a few pictures.

    https://ibb.co/FDdfX9H
    https://ibb.co/XW9D0LD
    https://ibb.co/89zvSS5
    https://ibb.co/f8GqJ1V
    Last edited by tennbrikket; 04-01-2020 at 04:53 PM. Reason: pictures

  2. #2
    Join Date
    Mar 2015
    Location
    west chicago il
    Posts
    460
    My Cars
    01 E46 330i 5sp man spor
    Not sure if your diesel model is the same but on the gas cars if you got the automatic transmission, the car came with a belt driven clutch fan behind the radiator and an electric auxiliary fan in front of the condenser. A similar car with a manual transmission had only an electric fan behind the radiator. Many people eliminate the belt driven fan and shroud and replace it with the manual transmission fan assembly, which is a simple drop in replacement.

    Sent from my S61 using Tapatalk

  3. #3
    Join Date
    Jul 2011
    Location
    Arlington, VA
    Posts
    8,499
    My Cars
    2018 BMW M240i
    One of the pix dies show a rather large fan with the clutch on the front of the engine. You seem to have plenty of space between the radiator and the engine. Perhaps if you remove the existing mechanical fan you’ll have enough room.

  4. #4
    Join Date
    Apr 2020
    Location
    Norway
    Posts
    2
    My Cars
    BMW E46 320D
    Well i have read about the single fan modification. But i kinda want to have both the OEM fans there. I live in Norway which is a pretty cold country in the first place, so temps shoudnt be that bad. A friend of mine has the same car and his AC fan has never worked :O

  5. #5
    Join Date
    Jul 2011
    Location
    Arlington, VA
    Posts
    8,499
    My Cars
    2018 BMW M240i
    Have your friend read this: https://drive.google.com/file/d/1Cac...BTPQDJx6u/view

    Youre in Norway so a single fan is probably fine.

  6. #6
    Join Date
    Mar 2007
    Location
    cowichan bay, bc, canada
    Posts
    859
    My Cars
    06 330ci zhp convertible
    I can confirm the clutch fan removal on a 2002 BMW 325 CI I have not used it in over five years and live in BC Canada near Victoria. I’ve never even heard the electric fan turn on once during operation of the car even in the summers.

  7. #7
    Join Date
    Dec 2008
    Location
    Greenville, NC
    Posts
    1,039
    My Cars
    99 740iL, 01 330 CiC
    I deleted the engine driven fan fan in my former e36 325 and it had no problems overheating in eastern NC, where it can get 100 degrees in the summer with high humidity. Sold the car with 280k miles on it. My current e46 (330, manual transmission) never had an engine driven fan from the factory.

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