Amplifier PART NUMBER P/N - 2622874. BMW G01 G02 G30 G31 G11 G12 Harman Kardon Top Hifi Amplifier. G01 G02 - X3, X4. G30 G31 G32 - 5, 6 SERIES. F30 F31 F32 F33 F34 F36 M3 M4. Fits X3, X4 ,5, 6, and 7 series cars.
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