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  1. #1
    Join Date
    Mar 2018
    Location
    Plano, TX
    Posts
    79
    My Cars
    2006 525xi

    2014 X5 with n55 has psycho fan

    I replaced my friend’s valve cover gasket on his 2014 f15 today and I noticed his radiator fan goes crazy. Start it up and it’s pretty much right out of the cage. Revvvvvvv stop. Revvvvvv stop. Repeat.
    Is the dreaded water pump/thermostat an issue with these newer X5s too?

  2. #2
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    Check for faults, if it's a water pump problem there should be a fault for it like water pump speed deviation for instance

  3. #3
    Join Date
    Mar 2018
    Location
    Plano, TX
    Posts
    79
    My Cars
    2006 525xi
    Thanks. Replaced water pump and thermostat and the issue seems to be resolved.

    that job was pretty hard due to limited space to disconnect and reconnect those hoses. I had to remove the pump out of the radiator fan area since the awd components were in the way. Took me all day.

  4. #4
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    I love how BMW puts in an electric water pump so you could mount it really any where and they mount in this hard to get to spot, dicks.

  5. #5
    Join Date
    Mar 2018
    Location
    Plano, TX
    Posts
    79
    My Cars
    2006 525xi
    Fully agree. It was just cruel. At least if I had to do it again I think I could shave off a couple hours? Lol.

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