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Thread: 1998 BMW z3 HELP!!

  1. #1
    Join Date
    Jul 2017
    Location
    Modesto Ca
    Posts
    3
    My Cars
    1998 BMW z3 1.9L

    1998 BMW z3 HELP!!

    Hello all so I have an issue with my sound system in my 98 z3. When I got the car the radio read "Code" but I had no idea what it meant but I did know there was no sound. So my smart self just through in a new radio and expected it to work and I was wrong. So idk what to do. Do you guys think the amplifier is locked as well? If so do you guys think it would just be cheaper to buy a new amp and wire it up to the new radio? Please help

  2. #2
    Join Date
    Jul 2011
    Location
    Arlington, VA
    Posts
    9,933
    My Cars
    2018 BMW M240i
    BMWs of that era had head units that required a code when installed or when a disconnected battery was reconnected. It's an anti-theft feature. The dealer can provide the code when you provide proof of ownership, the car's VIN and the head unit serial #. As for the aftermarket head unit: it has to send a 12VDC signal to the amp to turn the amp on.

  3. #3
    Join Date
    Jul 2017
    Location
    Modesto Ca
    Posts
    3
    My Cars
    1998 BMW z3 1.9L
    I was thinking the same thing but just tried hooking up the stock radio but it won't power on...well the display won't at least

  4. #4
    Join Date
    Sep 2008
    Location
    West London/Heathrow - UK
    Posts
    7,203
    My Cars
    03 530dT - Ex Police Car
    Hi,

    It's your choice on how you want to proceed. If you want the oem head unit only, then search for a known working unit that also comes with the 'code' it needs to power on. If you want a modern head unit with modern features, then purchase the one you'd like and perhaps have a local, reputable and knowledgeable car audio installer or 12V auto electrician fit it properly and safely for you.

    Cheers, Dennis!

  5. #5
    Pelican Parts's Avatar
    Pelican Parts is offline Senior Member Supporting Vendor
    Join Date
    Aug 2013
    Location
    Harbor City, CA
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    4,242
    My Cars
    '02 E39 Touring
    Take a look at the link below as well for reference; it should help you with the guide.

    http://www.pelicanparts.com/BMW/tech...eplacement.htm
    Your Trusted Source For DIY and Parts
    FREE SHIPPING over $99 click here
    BMW Parts | DIY Tech Articles | Facebook | Twitter | Instagram | YouTube | Promos
    888.280.7799 | 6am - 5pm PST



  6. #6
    Join Date
    Aug 2017
    Location
    Poconos Pa
    Posts
    26
    My Cars
    1997 BMW Z3 Roadster
    If your running an aftermarket radio it will turn on and display no sound. On mine when it did that I had to connect the blue amp wire to I think it was a green or brown wire thats left over. Once thats connected I got sound to all my speakers.

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