R53 Buzzing from the Auto HVAC sampler fan

Discussion in '1st Generation: 2002–06 R50, R53 & 2004–08 R52' started by o2sys, May 28, 2019.

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  1. o2sys

    o2sys Active Member

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    #1 o2sys, May 28, 2019
    I'm getting a buzzing noise from my AUTO Hvac air/temp sampler fan and getting quite annoying.

    All my BMWs had this issue but the ones from the BMW looks like a small PC fan and was cleanable.

    The one from the MINi looks a little different.

    Has anyone successfully cleaned one out?


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  2. Dave.0

    Dave.0 Helix & RMW Powered
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    #2 Dave.0, May 28, 2019
    I just smack it a few times.
     
  3. o2sys

    o2sys Active Member

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    #3 o2sys, May 28, 2019
    Lol I've tried that, it's my first go to method to fix anything


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  4. MCS02

    MCS02 Moderator
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    #4 MCS02, May 28, 2019
    Sorry I am no help
     
  5. Dave.0

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    #5 Dave.0, May 29, 2019
    Did you try replacing the filter? If it’s old or has never been changed it could be full of crud and it’s close to the fan blades
     
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  6. Crashton

    Crashton Club Coordinator

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    #6 Crashton, May 29, 2019
    I had this happen on my R53 with manual AC. A bunch of maple tree helicopters were in & around the filter making a lot of noise.
     
  7. o2sys

    o2sys Active Member

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    #7 o2sys, May 30, 2019
    The cabin filter? If so yes. One of the first things I do when I buy a used car.

    Is there another filter for the HVAC?


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  8. Crashton

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    #8 Crashton, May 30, 2019
    That is the only filter I'm aware of. Maybe some crud got into the fan housing.
     
  9. o2sys

    o2sys Active Member

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    #9 o2sys, May 30, 2019
    I'll be installing the Grom BT3 so I will take a look when I remove the radio.


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  10. Dave.0

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    #10 Dave.0, May 30, 2019

    Yes the cabin filter is what I was talking about. No other HVAC filters
     

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