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Thread: 2008 M5 SOS/Bluetooth/Radio control module corrosion.

  1. #1
    Join Date
    Apr 2015
    Location
    NJ
    Posts
    373
    My Cars
    1995 BMW 850ci

    2008 M5 SOS/Bluetooth/Radio control module corrosion.

    [ SOLVED , ANOTHER DIY PROJECT ]

    BMW was sued for this issue that impacts the RDC and Bluetooth/SOS/Radio control modules:
    https://www.reuters.com/article/us-b...-idUSKBN15M1SX

    I managed to get a used Bluetooth module on ebay for $89. New part is around $800 I think.
    The socket connectors were corroded and broken. I had to clean it all up using MAF Sensor cleaner(which
    evaporates quickly) and the Bluetooth/SOS/Radio is now working.

    I am yet to get a Socket terminal part number 61131383776 for the RDC module. The car has new TPMS sensors
    and the RDC module is dead. The used part on ebay was $69.

    bt_1.jpgbt_2.jpg

    Does anyone know what that white power is ? I will open up the Telematics unit and check it.
    It looks like heat sink cement.
    (PS : Am electronics engineer).
    Last edited by sshivaram; 03-09-2019 at 12:42 PM.

  2. #2
    Join Date
    Mar 2013
    Location
    Sonora, ca
    Posts
    706
    My Cars
    2001 740il
    I hope your not referring to the corrosion on the case as “white power”.

  3. #3
    Join Date
    Apr 2015
    Location
    NJ
    Posts
    373
    My Cars
    1995 BMW 850ci
    Used blue tooth HIGH BASIS control module on ebay: $89
    Used RDC TPMS module on ebay: $69.
    Socket terminal: $1.25.
    Now, everything works.

    Attachment 647151
    Attachment 647152
    Attachment 647153
    Attachment 647154

    I messed up the socket terminal while removing the corroded stuck pin from the RDC module, and it was painful to fix.

  4. #4
    Join Date
    Mar 2013
    Location
    Sonora, ca
    Posts
    706
    My Cars
    2001 740il
    Good work, now did you fix the leak that started this problem to begin with.

  5. #5
    Join Date
    Apr 2015
    Location
    NJ
    Posts
    373
    My Cars
    1995 BMW 850ci
    Haha no. Dont know the source of leak. I will address it after its open heart surgery. Have to replace idle valve actuator gears asap.

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