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      03-02-2013, 10:36 AM   #16
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Drives: 2015 Alpina B6; 430i; X5 40e
Join Date: Jul 2010
Location: Orange County, CA

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Quote:
Originally Posted by DeepseaX1 View Post
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.
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.
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