Install Amplifier in F46 Gran Tourer
I do not know if my F46 Gran Tourer 2016 has amplifier, does anyone know how to check if BMW has amplifier?
My F46 has 6 speakers: 4 in four door and 2 bass under front seat, these speaker may connect to NBT and powered by NBT.
I had replaced 4 door speakers, now I wish to upgrade the amplifier and the bass drivers.
How can I start?
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