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Thread: Smell When A/C Runs

  1. #1
    Join Date
    May 2008
    Location
    Rosevile, CA, USA
    Posts
    19
    My Cars
    2001 525i

    Smell When A/C Runs

    Our 2013 328i has a bad smell (like a wet dog) when the A/C comes on. This has occurred in the past and I've changed the cabin filter on a couple occasions.

    Outside of just changing the cabin filter again, are there any other areas where I check to see what the source of the smell may be?

  2. #2
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,459
    My Cars
    36 Cylinders
    This was quite common on F30 on cars that sit without running the AC.

    You can run a cleaning foam like this https://www.amazon.com/Lubegard-9603.../dp/B0007PHD0S

    It should be injected through the drain pipe underneath, found next to the transmission, it's a dark gray valved tube.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  3. #3
    Join Date
    May 2008
    Location
    Rosevile, CA, USA
    Posts
    19
    My Cars
    2001 525i
    Thank you. I've ordered a can and I'll be trying this out this weekend.

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