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Thread: Bmw Alpine CD53 E46

  1. #1
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    Bmw Alpine CD53 E46

    Hello. Does anyone knows how to wire my buisness cd ' cd53 e46 alpine ' model to my workbench power supply in order to repair it.
    When i connect it to 12volt power sypply it shows ' - DISABLE - '.
    Why is that?
    Pls give me some info about bmw carradio protection system.
    Thank you in advance

  2. #2
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    Pls. Nobody Knows Anything About That.
    Help Me Give Me Any Info You Can.
    Thank you

  3. #3
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    You may need a code inorder to get it out of protection. Once constant power is disconnected on some secure radios, it requires a code to allow use. The dealer should have given you a card or someting or they can look it up for you. You'll probably need your vin and possibly a serial number off the radio.
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
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  4. #4
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    might check your owners manual if you still have it as well...might save you a trip to the dealership
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  5. #5
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    Thank you for replying but radio has no code function.
    I think it must get some kind of code from ecu.
    Any info about that?
    All Bmw buisness Class Radios behaves the same way.
    If i take it out from my car and put it in another works fine in fact in any Bmw works fine.
    It has a certain pin named Wake Up Pin in service manual.
    Maybe certain pulses goes there.
    Pls keep replying in order to solve this problem cause i think that everyone maybe in my place some day.
    Thank you

  6. #6
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    Sounds about right. Some late model cars are becoming equipt with coded radios that send the code from the bcm through a data line in the harness, i.e. late model GMs and hondas. So if by that, the only place you can work on it is in the car.
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
    "Do it right or don't do it at all"

    PROGRESS:
    [-------90%-] (New Car=New Build)

  7. #7
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    Do you have any idea where that line is located in radio connector?
    Is ti have to do with i-bus?
    Thank you

  8. #8
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    i wouldnt know without looking at it myself
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
    "Do it right or don't do it at all"

    PROGRESS:
    [-------90%-] (New Car=New Build)

  9. #9
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    I have the same isue with BMW CD Player CD53 E46 as "johnyp" had (goes DISABLE when put it on the test bench,and I am trying to collect some Technical Information from BMW themself, I think it might have some wake up pin sent from the BCM or ECU to the unit to reactivate it back again if we know that code and the bus pin on the back of the unit then we are there!, this is what I am trying to track down , it would be much apprecaited if any body got into this matter

  10. #10
    FLAC sama's Avatar
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    it probably won't funcion without the ibus. E46 and E39 and various others, have ibus. You can get a USB ibus adaptor and emulate the signal.

    find the hacktheibus yahoo group, lots of info there.

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