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Thread: USB to RS232 converter for Tiny ADS interface

  1. #1
    Join Date
    Dec 2017
    Location
    Israel
    Posts
    60
    My Cars
    E38 750iL 2001

    USB to RS232 converter for Tiny ADS interface

    hello all,
    in conjunction to my original post https://www.bimmerforums.com/forum/s...RANS-PROG-FAIL
    I can't scan the DME's and some other related modules of my e38 750il without having ADS interface.

    I use my Lenovo R50e for scanning (inpa) and it doesn't have "real" serial connector.

    My question is if I can use an USB to RS232 converter (not adapter) to work with Tiny ADS interface?

    Thank's

  2. #2
    Join Date
    Apr 2009
    Location
    Vancouver Isl, BC, Canada
    Posts
    4,173
    My Cars
    98 Euro M3, 04 M3, 06 M5
    very few people have had success with a USB converter or adapter.
    Current:

    - 09 335i MSport, FBO.
    - 98 Euro M3, Estoril Blue
    - 04 M3, Carbon Black, 6 Speed Coupe
    - 06 M5, Black on Black, Full Leather.
    - 73 3.0CS, Tagia Green, 5 speed M30b35 converted

    Ex's: 1984 325e, 1988 325IX, 1992 525I, 1995 540i/6, 2002 330i, 2005 330xi, 1992 850i, 2003 330i #1, 2003 330i #2, 2002 330ci, 2004 330ci, 2007 328CI, 2007 335i, 2001 M3, 2006 M5 6 speed

  3. #3
    Join Date
    Feb 2007
    Location
    UAE
    Posts
    705
    My Cars
    Merc R129, E31, Jag XKR
    Im in the same boat as you, both my 850Ci and my 750iL, cant read the DME and don't have a serial port

    https://www.bimmerforums.com/forum/s...ed-Help-needed
    "Understeer is when you hit the wall with the front of the car, Oversteer is when you hit the wall with the rear of the car, Horsepower is how fast you hit the wall, Torque is how far you take the wall with you."

  4. #4
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,459
    My Cars
    36 Cylinders
    You need a true serial port, unfortunately, when using ADS.

    Newer laptops capable of using a dock may have a dock available with a serial port. Those work fine.
    -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

  5. #5
    Join Date
    Feb 2018
    Location
    Earth
    Posts
    12
    My Cars
    e34
    In theory, you can make and through usb. The truth is that the signal converter rs232-> usb will be needed, and then we will do everything at the driver level. even any arduino is suitable as a converter. And if there were a lot of people, you can get stuck with writing a driver for Windows. But it's easier to find a laptop with com port.

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