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Thread: Bluetooth DB25 to 54-pin ULF adapter

  1. #1
    Join Date
    Dec 2008
    Location
    Plainville, CT
    Posts
    82
    My Cars
    2003 540i M-Sport (6 spe

    Bluetooth DB25 to 54-pin ULF adapter

    I have a DB25 to 54-pin ULF adapter that came with my used Bluetooth kit. It was used on a 2000 M5 but it wasn't needed for my 2003 540i because it already has the 54-pin connector pre-wired. This adapter is required to connect the Bluetooth ULF module to your car.

    This is a home made version of the OEM BMW adapter cable, part # 84120308375. For E39 prior to 03/2002, E46 prior to 03/2002, E38 after 09/2000, E53 prior to 03/2002. (Please verify compatibility yourself). The OEM adapter cable currently retails for $45.

    Asking $20 shipped for this cable.





    Tony



    1998 SVT Contour (B/MNB) #542 3L
    2000 SVT Contour (SF/MNB) #1533
    2003 BMW 540i M-Sport (6 spd)
    2002 Lexus IS300 SOLD!!

  2. #2
    Join Date
    Nov 2007
    Location
    Scottsdale AZ
    Posts
    37
    My Cars
    2000 E38 740il
    Quote Originally Posted by CSVT1214 View Post
    I have a DB25 to 54-pin ULF adapter that came with my used Bluetooth kit. It was used on a 2000 M5 but it wasn't needed for my 2003 540i because it already has the 54-pin connector pre-wired. This adapter is required to connect the Bluetooth ULF module to your car. This is a home made version of the OEM BMW adapter cable, part # 84120308375. For E39 prior to 03/2002, E46 prior to 03/2002, E38 after 09/2000, E53 prior to 03/2002. (Please verify compatibility yourself). The OEM adapter cable currently retails for $45. Asking $20 shipped for this cable.

    I have a production date 11/2000 m5 where can I get the blue tooth module other than the cable you are selling

  3. #3
    Join Date
    Dec 2008
    Location
    Plainville, CT
    Posts
    82
    My Cars
    2003 540i M-Sport (6 spe
    You can find the ULF Bluetooth module on eBay, from Bimmernav.com, or from the dealer. The best place to pick one up is on eBay. Bimmernav.com has the newest generation (13th) of the module which is not available in the US but it retails for $600. If you buy new from US dealers, they are only allowed to sell the 1st generation module which was problematic. eBay will have used modules at a much lower price and give you the option of finding something newer than the 1st gen.

    You should stick with 4th generation or higher. The older versions had problems with pairing and sound quality.
    Tony



    1998 SVT Contour (B/MNB) #542 3L
    2000 SVT Contour (SF/MNB) #1533
    2003 BMW 540i M-Sport (6 spd)
    2002 Lexus IS300 SOLD!!

  4. #4
    Join Date
    Dec 2008
    Location
    Plainville, CT
    Posts
    82
    My Cars
    2003 540i M-Sport (6 spe
    bump
    Tony



    1998 SVT Contour (B/MNB) #542 3L
    2000 SVT Contour (SF/MNB) #1533
    2003 BMW 540i M-Sport (6 spd)
    2002 Lexus IS300 SOLD!!

  5. #5
    Join Date
    Dec 2008
    Location
    Plainville, CT
    Posts
    82
    My Cars
    2003 540i M-Sport (6 spe
    bump
    Tony



    1998 SVT Contour (B/MNB) #542 3L
    2000 SVT Contour (SF/MNB) #1533
    2003 BMW 540i M-Sport (6 spd)
    2002 Lexus IS300 SOLD!!

  6. #6
    Join Date
    Dec 2008
    Location
    Plainville, CT
    Posts
    82
    My Cars
    2003 540i M-Sport (6 spe
    Bump
    Tony



    1998 SVT Contour (B/MNB) #542 3L
    2000 SVT Contour (SF/MNB) #1533
    2003 BMW 540i M-Sport (6 spd)
    2002 Lexus IS300 SOLD!!

  7. #7
    Join Date
    Aug 2016
    Location
    Moscow, Russia
    Posts
    2
    My Cars
    e39, e83

    Thumbs up

    Quote Originally Posted by CSVT1214 View Post
    Bump
    Still not sold?
    I need one!

  8. #8
    Join Date
    Feb 2017
    Location
    Southern Ontario Canada
    Posts
    37
    My Cars
    2001 325i Sedan
    Is this sold yet?
    I am interested in this.

    Thank you.

  9. #9
    Join Date
    Feb 2016
    Location
    West Palm Beach, FL
    Posts
    8
    My Cars
    2003 BMW 540i M Sport
    OP - I have the same car and Iím looking to put in Bluetooth ulf. Can you PM me the part numbers for what you put in? I donít have PM privileges yet. Thanks!

  10. #10
    Join Date
    Feb 2017
    Location
    Southern Ontario Canada
    Posts
    37
    My Cars
    2001 325i Sedan
    Can't be too hard to snip the 54 pin part out of a wreck and bribe some poindexter genius to solder one up can it?
    The 54 pin part seems to be the hardest part to find.
    Any takers?
    I will send pop and chips and whatever it takes to get the job done!

  11. #11
    Join Date
    Aug 2016
    Location
    Moscow, Russia
    Posts
    2
    My Cars
    e39, e83

    Lightbulb

    Stuck my retrofit on this stage too.
    Luckily indeed there are lots of ULF modules sold ripped with 54-pin cable tail, like this one:
    https://71.img.avito.st/640x480/4994694471.jpg">
    the second connector, DB25 is a standard retro PC-cable.

    And hereís the final pin-out for this adapter:
    https://a.d-cd.net/owAAAgD6UOA-1920.jpg">

    Full retrofit article:
    https://www.drive2.ru/l/507322912466796927/

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