could the colors on the speaker cones have changed (yellowed) with time? some speaker cones are paper,and that can happen to them. if so, it might even out over time.
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2OO8 E90 M3 /// INTERLAGOS BLUE w/BAMBOO BEIGE, CARBON LEATHER / 6MT / 19" 220M FORGED WHEELS / PREMIUM / MOONROOF / IPOD / BSW SPEAKERS
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