Operation CHARM
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BMW
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2012
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640i Convertible (F12) L6-3.0L Turbo (N55)
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Repair and Diagnosis
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Accessories and Optional Equipment
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Radio, Stereo, and Compact Disc
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Speaker
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Technical Service Bulletins
Speaker: Technical Service Bulletins
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Audio Sys. - Bang & Olufsen(R) Loudspeaker Illumination
Audio System - Interference Noise From Speakers