No reason to. The factory 676 speakers, match up7bmw amp plus earthquakes plus a good tune far exceeds the capabilities of b&o 5 &7 series for les money and far fewer headaches.
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‘06 e91 manual 325ix BarriqueRot
over Terra (one of 1), Nav, Sport, L7
A few OEM+ mods:
MTech front bumper, MSport wheel & handbrake, 4AD trim, full rear shades, more to come…
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