Lastly, I noticed the one you chose has iDrive and nav. I prefer no iDrive and no nav. I use Waze for navigation with a RAM mount and cables going to the aux input and USB outlets in the center console. Not as convenient as iDrive, but I can put in the address much faster and it is always up to date.
I would like to put in a navigation head unit like Dynavin, but that is more complex, I think, if you have iDrive and factory nav.
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BMWCCA member since 1990
Mods: 330 intake, ECU reflash & tune, Magnaflow cat back resonator & muffler, BMW Euro airbox, tinted windows
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