音質を手軽に改善したい方にはスピーカー交換がオススメですよ!BMW F30に「FOCAL K2 POWER ES100K」の取り付け! | BMW 3シリーズ | 店長アサコのブログ | コクピット 55 | 車のカスタマイズにかかわるスタッフより
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Focal ICBMW100 Inside 2-Way Coax Speaker Compatible with BMW F20, F21,F22,F23,F45,F46,F87,F30,F31,F34,F35,F80,F32,F33,F36,F82,F83,F07,F10,F11,F18,G30,G31: Amazon.de: Electronics & Photo
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