Dynavin N6. It's very pricy- x2 the cost of your eonon, and it's a closed tight system - can't add software, no wifi feature.

https://www.jandtdistributing.com/co...00-2006-bmw-x5

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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.