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Thread: Ok… the weirdest thing just happened E60… SOS/BT/AUX

  1. #1
    Join Date
    Sep 2022
    Location
    Los Angeles,ca
    Posts
    31
    My Cars
    2010 E60

    Ok… the weirdest thing just happened E60… SOS/BT/AUX

    In my new-to-me 2010 E60 535i, from the time I bought it, I’ve had an SOS malfunction light, no BT (wouldn’t populate on my phone) and no AUX (the USB/3.5mm jack is inside the front of my arm rest, but when I select AUX on the screen, nothing happens)


    I decided to check the fuses and of the ones that were there none were burnt that I could see, so I decided to do a trunk check (I had a fiber loop that I needed to try)


    when I lifted the spare tire there was this crusty corroded module with BT symbols on it (see photo) when I fiber-looped out this piece, the SOS light has now gone out, and funny enough, the BT started working…(still no AUX tho)… I looped out the box that says BT, and the BT started working… ??🤔


    any ideas on how to bring back AUX now?

    E96A5EE7-D5F3-4E73-A593-A6A97317B2AC.jpg92EE8585-34F3-497C-A179-E9936F5E2491.jpg



    thanks!!

  2. #2
    Join Date
    Sep 2022
    Location
    Los Angeles,ca
    Posts
    31
    My Cars
    2010 E60
    Ok… so the module is the MULF2…

    if I get a ‘new’ on from eBay, do I have to match any numbers for the model?

    Are they plug and play or do I have to code the new one in? (I know that if it was the BT module, I’d have to re-VIN it)

    Will my AUX/USB come back?

    anyone? Bueller?

    thanks!!

  3. #3
    Join Date
    Sep 2022
    Location
    Los Angeles,ca
    Posts
    31
    My Cars
    2010 E60
    We’ll I found out that the numbers on the side sticker of the MULF2 should match, so I went to eBay and found one that had the matching numbers… I’m under the assumption that I have to code my VIN to the new unit using NCS or some coding software as it may or may not just ‘work’ perfectly upon installation… either way, the new unit will be here tomorrow so we’ll see what happens

  4. #4
    Join Date
    Jan 2024
    Location
    Raleigh, NC, USA
    Posts
    1
    My Cars
    2010 BMW 528I
    Did this work?

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