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Thread: DSP audio overhaul

  1. #1
    Join Date
    Jan 2021
    Location
    Dalton, GA, USA
    Posts
    3
    My Cars
    2003 BMW Z4 2.5i

    DSP audio overhaul

    hey guys, I'm a noob here, hoping to get some help,tips and advice, heres what I got
    2003 Z4 2.5 10 speaker DSP audio system
    long story short, I have no audio coming out of speakers, I've decided to go aftermarket
    now I've done some research and I'm well aware of the level difficulty
    with that being said, I have a headunit, harness, installation kit, and antenna adapter
    looking to get some help/advice on the amp and speaker setup

  2. #2
    Join Date
    Oct 2012
    Location
    Victoria BC Canada
    Posts
    380
    My Cars
    2004 Z4, 1700 Nomad MC
    Amplifier likely fried/water damaged.

    Not possible to replace BMW business radio with replacement radio aka “off the shelf” non BNW head unit in a Carver DSP radio set up.

    Only a complete gut of amp/radio/speakers and replace would allow a non BMW head unit to be installed.

    Replacement BMW amps are available new or used(more difficult to source).

    It’s cheaper to replace the silly expensive amp than try a total replacement.

    Do your research.....


    Sent from my iPhone using Tapatalk

  3. #3
    Join Date
    Jan 2021
    Location
    Dalton, GA, USA
    Posts
    3
    My Cars
    2003 BMW Z4 2.5i
    [QUOTE=Clearancediver;30636338]Amplifier likely fried/water damaged.

    Not possible to replace BMW business radio with replacement radio aka “off the shelf” non BNW head unit in a Carver DSP radio set up.

    Only a complete gut of amp/radio/speakers and replace would allow a non BMW head unit to be installed.

    Replacement BMW amps are available new or used(more difficult to source).

    It’s cheaper to replace the silly expensive amp than try a total replacement.

    Do your research.....


    Sent from my iPhone using Tapatalk[/QUOT

    yes....this I know......*sigh*
    I've been searching the forums on the topic, I am preparing my self for the complete audio overhaul.
    hoping to gather whatever tips and/or advice I can before getting started

  4. #4
    Join Date
    Jan 2021
    Location
    Dalton, GA, USA
    Posts
    3
    My Cars
    2003 BMW Z4 2.5i
    Im aware that factory head units do not work with aftermarket amp. I am doing my research, not going into this completely blind, met with a professional installer today that had worked on this setup before. Was able to get a lot of information, also able to obtain factory speaker specifications and factory amp pin diagram. Going to double check my math, as far as amp rating and speaker impedance goes before I move forward. I will be sure to update the thread

  5. #5
    Join Date
    Mar 2009
    Location
    Atlanta, GA
    Posts
    818
    My Cars
    06 M Roadster Red/Blk
    There isn't a ton of info about this as most folks don't want to take on such a huge project. Yours will be one of a very few who attempted it.

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