I've been running the MK IV for many years with V32, never had a problem. BMW nav unit is cumbersome to use and very dated technology and maps. In the middle of installing state of art android system though it is has become the imaginary horrible plug and play installation project come true.

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas