Extra speakers?
My E90 is an 06 reg and has the Professional Stereo, my mate at work has a 56 plate 320i Auto with a Prof. Stereo but he has speakers in the inside of the wing mirror housings in the cabin. Did they change the speaker layout early on I wonder or is it for sommat else. He also has auto folding mirrors btw, mine doesn't but not sure this would have anything to do with it, would it?
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