The nav works well enough, and it's nice to have the dead reckoning. Bluetooth works well with iDrive. Also, it's nice to have the big screen to tell you what a warning icon means (via a text explanation), rather than having to figure out what the heck the icon is, and what it could possibly mean.
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E90 330i Black Sapphire 6MT | 991.1 C4 Platinum Silver 7MT
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