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  1. Radiator fan issue

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi, My question to keep things short is when should the radiator fan come on? Background... I have been having issues with my radiator fan. Wouldn’t come on even when AC was on. Sometimes it would come on with the AC and then stop. An error code was showing for the fan as well hence I...
  2. e91 e9x Radiator fan replacement

    BMW Guides and How To's
    Hi All, I replaced my radiator fan today as current one been on the car for 190,000 miles so was struggling at times and the fault code appeared. I apologise in advance as I only started take the photos half way through as forgot to take my phone with me. Anyway I did this at home with...
  3. BMW E31 - Stop poking the Viscous Fan! A better way to test and technical description

    Technical Guides for the BMW E31.
    For years the common advice regarding testing of the viscous-coupled fan is to poke it with a newspaper - well, stop it! Here's how to test it, how to replace it and how it works:
  4. 2002 E46 330i - Overheating after 30 min of driving

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi! After a coolant expansion tank burst, engine got really hot before I was able to pull over. (OBD2 logger claimed 143C degrees) Tank has been swapped, coolant refilled and 100% free of air. Now it runs great, stable at middle of temp gauge (~80C I believe?) in dash, for about 30 minutes...
  5. 1999 728 E38 Fan running when cold

    BMW 7 Series - Tech Talk For All Gen Of 7 Series
    Goood afternoon BMW owners :) Hope all is well. I have currently purchased a Bmw E38 728 very nice full leather all the works, Now when I start it up from cold my fan spins like a crack head at a rave for a minute before it cuts out, is this normal? I very rarely hear or feel it kick in when...
  6. E70 Fan

    General BMW Discussions
    I need a fan for my x5. I cannot believe that BMW want over a £1000 for a electric fan!! do all x5 fans fit from 2007 to 2012? I have seen there are different wattages out there , mine has the standard 600w would it be beneficial to up this to a higher wattage? Many thanks jame
  7. 2018 X1 f48 2.0D auto radiator fan

    BMW X Series - Tech Talk For All Gen Of X Series
    Hi Guys anyone know why my radiator fan sometimes kicks in when I park up and switch off the engine. Its winter here in the UK and it happenned again the other day after a short vist 7 miles to the supermarket. Surely cant be overheating in winter. What can cause it to come on other than over...
  8. 2003 E46 320d - fan belt/ac belt not fitting right

    BMW 3 Series Forum - Technical Talk on the BMW E46
    -hello all, got an interesting issue with my 320d, when i bought it few weeks ago i noticed that the ac compressor belt was missing and the main drive belt appeared to by starting to shred. just today got round to buying two new belts and found that when i have come to fit the main belt it will...
  9. E60 Heated seats problem and heater fan

    Auto Electrical Forum
    Hi. I have problem with my heated seats on e60 530i. It started suddenly. Heated seats stoped working. Lights on a switch button are on and stay on but no heat in the seats. Fuses in the glove box and boot ok. Also my heater fan only works on 1st or 2nd setting. But when i press windscreen...
  10. Z3 air con / fan

    General BMW Discussions
    Hi, I have asked on another Forum (unfortunately without much success), so I'm hoping someone on here might know! Following a recent service including coolant change, I've noticed that whenever the air con is switched on, the fan comes on and off at regular intervals (maybe 10 seconds on, 10...
  11. Bmw fan

    Introductions
    Hi All, I am not new have been here for years but unfortunately forgot my account details from before and have to create a new account..:) Yes i have forgotten which email i registered. I have found this site very helpful in the past and hoping new new issue can also be diagnosed on here.
  12. 2006 650i - looking for aftermarker radiator fan

    BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hey All So I need a new fan according to the diagnosis by a local independent specialist. Apparently it is throwing up some error codes. My car had been overheating when in traffic jams. I have been quoted getting on for £800 to repair this; I believe the fan is £719 from BMW. From what I've...
  13. F30 Blower Fan

    General BMW Discussions
    Im a newbie and hope this is OK in General Discussion because Im really scratching my head with this. The Blower fan is clean and has no leaves/debris in it. With engine OFF Blower fan works across full range quietly. Whilst driving there is an intermittent (but happens most of the time) loud...
  14. 2005 BMW 530d - Fan behind CD/DVD not running

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Hi, Can anyone tell me if the fan on the back of the CD/DVD CCC unit only runs when cooling is required, or is it supposed to run all the time? The CD drive works, and the DVD drive appears to work, but I'm in the process of replacing the laser lens to get Navigation working. With the cables...
  15. BMW 535d 2010 fan issue

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    I have recently purchased a 535d m sport 5 series and have noticed an issue with the engine fan. The fan comes on shortly after starting the car and stays on throughout any journey short or long even on the motorway and it is running at full blast, which is very audible. When you stop and turn...
  16. Fan stopped working?

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi furthermore to my post about the air conditioning not being so cold, today I noticed that the fan stopped working although it was definitely working on Saturday. Is checking the fuse the first port of call and what can I do before taking to an expensive mechanic?? The lights are on for...
  17. 2007 E63 650i Noisy Blower Fan

    BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hi After 30 mins or so driving the blower fan becomes noisy, louder than usual. It does not matter if the a/c is on or off. Any suggestions? Thanks
  18. Radiator fan not working with high engine temperatures

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Noticed today whilst sat for 2 hours on the M6 that the radiator fan failed to come on. It comes on if I turn on the airconditioning but failed to come on when the I left the car to get hot tonight (measured up to 98 celsius according to torque app connected to OBD socket) Checked the connector...
  19. E39 air con fan issues

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all , I’ve got a question to ask, one you may heard many times before but my air con fan doesn’t work . If spins freely and there is 12v to it , not sure about the signal wire as I’m led to believe I need an osillasope to test this ,the fan doesn’t come on when I call for air con nor when the...
  20. 2001 e46 touring air con and heater fan not working

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all I have a 2001 e46 touring and my heater fan has stopped working, one day it was fine all working then the next nothing at all? I have something about a final resistor is the problem but I have no idea. Can anyone please point me in the right direction please.
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