BM54 upgrades

Discussion in 'Carphonics' started by Daniel White, Feb 6, 2020.

  1. 6 Feb 2020 at 11:09 PM #1
    Daniel White

    Daniel White On the path

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    Your Motor:
    2002 M3, 2001 330ci, 2003 330d touring
    Having upgraded all of the speakers in my E46 coupe the factory sound is vastly improved but still not really up to scratch to be honest. I want to add a sub but retain the factory Sat Nav for an OE look. What price would I be looking at for the stage two amp upgrade, RCA and music streaming via Bluetooth? Many thanks
     

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