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Thread: BMW I-Bus How to connect..

  1. #81
    Newbie maddop's Avatar
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    Without using headunit

    Hi All,

    I have purchased the IBUS connection from resler and built it myself. I am not using the BMW headunit.

    I have the cable for the cd changer in my boot it is a 3 pin connector. Will this cable still work if I am not using the headunit?

    I am using RR and only want the buttons on my wheel to control the volume and next track.

    I have downloaded and tried the IBUS software but it is not reading any signals at all...

    any suggestions would be greatly appreciated.

    Cheers
    Paul.
    BMW E46 (year 2000)
    CARPC installed and working!!

  2. #82
    Confusion Master
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    Enforcer's Avatar
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    A 10K resistor is needed if you don't have a head unit and the IBUS is not connected to the instrument cluster.

    The 10K resistor goes between the 12V and IBUS cable. But don't do this unless you are sure the IBUS cable is not connected to the instrument cluster.

  3. #83
    Newbie maddop's Avatar
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    Quote Originally Posted by Enforcer View Post
    A 10K resistor is needed if you don't have a head unit and the IBUS is not connected to the instrument cluster.

    The 10K resistor goes between the 12V and IBUS cable. But don't do this unless you are sure the IBUS cable is not connected to the instrument cluster.
    Where exactly would the 10k resistor go?
    I would connect the 3pin cable in the boot to my serial reader, so would the resistor be inbetween this? or at the other end of the cable? (at the dash)

    Thanks in advance,
    Paul
    BMW E46 (year 2000)
    CARPC installed and working!!

  4. #84

  5. #85
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    I'm using the same IBUS adapter with no head unit (or any other component of the original stereo) and I haven't had any problem at all with the IBUS. I have never heard of the resistor thing until now. In my experience it hasn't been necessary...

  6. #86
    Confusion Master
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    On an E46 it shouldn't be necessary, because the Instrument cluster is the KDE (Controller). That's why i said he should check to see if he is connected to the instrument cluster.

    on the E36 it is necessary as the IBUS does't go to the Instrument cluster, just the stereo and the CD changer.

  7. #87
    Newbie maddop's Avatar
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    bought new device from reslers

    It turned out that my soldering was not as good as it used to be!

    I purchased another IBUS device from Reslers (the ready made and tested one) and its fully working as it should be.

    I did use the kit form last time and obviously screwed it up somewhere!

    No wonder I was getting frustrated!!!

    Thanks for the advice though.
    Paul.
    BMW E46 (year 2000)
    CARPC installed and working!!

  8. #88
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    dear all, i have a ibus e36 serial adaptor for sale that I never used. Open to offers, just message me.

    Thanks, dx

  9. #89
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    Dx

    I have sent you a message, i hope

    MGR Boy

  10. #90
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    Need Help With Ipod Interface E46

    I have a 1999 E46 BMW 323I and am looking to install a Peripheral I Shuffle interface in order to use my Ipod in my car. Within the car, I have a business CD head unit. The application guide states that it is applicable for 1998-2006 3 series w/o DSP or Nav. I have neither.
    When I tried to install the interface at the rear boot of the car (as described in the installation guide), where the CD changer would hook up I noticed that my connecting clasp was completely different.
    My Ipod interface has to lines, one for power and the other for the IBUS. My connection at the rear is a single female adapter with about 10-12 female slots. After doing some Internet reach, I found that the CD changer in this model (1999) could be installed in the glove box. (See below)

    http://www.circlebmw.com/service/access/0004616.htm
    PIC S65 99 U27


    After disassembling the Dash, removing the Glove box, CD player and Climate control I cannot seem to find the power connection or the IBUS cord. The only possible connection I found, feed into the climate control.

    I am very frustrated at this point can anyone offer any suggestions other than the dealership ($350-$400) on where I can find the IBUS and power cord located near the glove box?

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