I've maxed oout on outside mods - the 2012 B&O is so old. From Forum search I am seeing that its not possible to upgrade the head end unit since its got MMI integration. Are speaker upgrades the only option to "spruce up" my interior? LOVE my S4, she's just a little old school on the amenities. I appreciate any suggestions. Forum search ahs a ton of DIY - alas I am not that smart to DIY - will be an audio shop to do any work ....
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