Quote:
Originally Posted by DeepseaX1
How does the X1 sound upgrade compare to the X3's upgrade?
I ordered the X1 with the upgrade but the dealership didn't have an upgraded X3 to listen to. I thought the X3 sounded great.
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X1, X3, and 3 series upgrade should all be the same. New upgrade is miles ahead of all previous BMW OEM systems I've owned.