After extensive test drives with the E70 and riding in a friend's E53 on multiple occasions, I believe the E70 to be MUCH quieter with regards to road noise.

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Michael

2008 BMW X5 3.0si
Space Gray/Black Nevada Leather/Bamboo Wood Trim
Premium | Cold Weather | Technology | Automatic Tailgate | Comfort Seats | iPod Adapter

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2004 BMW 330xi