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Fully refurbished OEM BMW Alpine CM5907 and CM5908 slider radios, Trunk Amps

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    Been a while, working through order backlog. Jay at Cantaloupe Radio is very busy as well.

    This just posted, Nov/Dec 2024 Car and Driver.
    Last edited by bradnic; 10-30-2024, 11:22 AM.
    I BUY/SELL REFURBISHED CM5907s & CM5908s

    HOWTOs:
    DB vert plastic bumpers
    OEM Keys
    MTech1 docs

    88 ix Lach/Card
    91 ic Calypso 3.1
    86 Cosmo 2.7

    OEM+ or bust!


    reelizmpro: I will always be an e30 guy.. I still do all of my own labor
    TrentW: There's just something so right about a well-built M20 in an E30
    e30m3s54turbo: I save my money for tuner parts.

    Comment



      Just spent 5+ hours last week on a CM5908 radio refurb. Customer tried a DIY repair on the internal amplifier board, by replacing some of the capacitors using some a soldering iron and maybe some solder wick. Honestly the work didn't look bad, but the radio was definitely not working properly. Turns out there were 5 circuit board issues to deal with, on top of the usual list of things that are part of my electronics refurb service.

      From my experience DIY efforts work maybe 3 times out of 10, and that's usually with a pristine part, which is absurdly easy to damage during the repair. Maybe 6-7 of every 10 of these 33+ year old radios I see have some sort of circuit board damage caused by internal shorting, and sometimes that damage is not repairable. Clearly in situations like these, swapping some caps out isn't enough. You also miss alot of additional work that should be done on the main board of the radio.

      If you need help after a DIY attempt - noise, feedback, uneven audio levels.. please don't hesitate to reach out. bradnic at oemhifi.com
      I BUY/SELL REFURBISHED CM5907s & CM5908s

      HOWTOs:
      DB vert plastic bumpers
      OEM Keys
      MTech1 docs

      88 ix Lach/Card
      91 ic Calypso 3.1
      86 Cosmo 2.7

      OEM+ or bust!


      reelizmpro: I will always be an e30 guy.. I still do all of my own labor
      TrentW: There's just something so right about a well-built M20 in an E30
      e30m3s54turbo: I save my money for tuner parts.

      Comment


        Happy new year everyone.

        Working through backlog, plenty of CM5907 and CM5908 radios, OEM blaupunkt trunk amps available. Also have the Cantaloupe Radio BA31 and BA32 kits including Amp+ and an HVAC switch adapter for the microphone. OEM audio wiring harnesses, no cut harness adapters and repair pigtails.



        OEM HiFi helps owners of vintage 80s-90s cars restore and upgrade their factory audio systems. We offer refurbished OEM products including radios, amplifiers and wiring, Bluetooth and subwoofer solutions and a wide variety of enhancements to restore and enhance the original audio system in your vehicle.

        bradnic@oemhifi.com
        Last edited by bradnic; 01-05-2025, 01:01 PM.
        I BUY/SELL REFURBISHED CM5907s & CM5908s

        HOWTOs:
        DB vert plastic bumpers
        OEM Keys
        MTech1 docs

        88 ix Lach/Card
        91 ic Calypso 3.1
        86 Cosmo 2.7

        OEM+ or bust!


        reelizmpro: I will always be an e30 guy.. I still do all of my own labor
        TrentW: There's just something so right about a well-built M20 in an E30
        e30m3s54turbo: I save my money for tuner parts.

        Comment

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