I would not go for option 1 - I used to have 2008 X5 4.8, and while it was my first BMW ever, it had its problems - especially with bluetooth - it took forever (I mean 2+ minutes) to connect after starting the car. Your wife my find it very irritating.

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His : 2013 X5 3.5d Deep Sea Blue/Black/Aluminum with ALL packages, 20" 214"s, running boards, Adaptive Drive, Spare Tire, BMW Apps
On Order : 2016 X3 3.5 MSport Silver/Mocha with DHP, CW, Prem, Tech, DA, Lighting

Hers : 2015 328xi MSport Silver/Red

Prior:
2008 X5 4.8
2011 X5 3.5d
2010 335 xDrive
2013 335 xDrive