We have it in our home, M3, and both X5's. I enjoy it and my wife really likes the ability to record her talk radio shows 9on our home receiver) to listen to at her leisure. The lifetime subscription is the way to go. You can switch it 3 times over the life and when I signed up at the time of purchase of a new BMW they credited the 1 year that you get free so it cost me $250 for a lifetime sub on that radio.
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