wow this is a great thread, just picked up a 2008 X5 3.0si with 3rd row for my wife's "mom mobile" (3rd kid coming in Dec) and it's on the original battery (and original brakes & tires... car only has 30k on it!) so would need to register the new one... ability to do diagnostics and some additional coding is a huge plus. I will seriously consider getting this setup

by chance is there anyone in Northern NJ area using this on their X5? I'd love to see it in action before buying the app and the adapter

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