I have always liked space grey.
Has your wife seen these 2 colors - these are the ones I don't love on the car - the grey is one of the top 3 colors in my book!
2008 E93 335i, MHD, HPF IC, Injen Intake, AR DPs, Alpina TCU Flash
2016 X5 M-sport 35i JB Stage 1
2013 Mercedes C63 AMG, ROW airboxes, power pipe, Eurocharged V6 Flame tune 540 HP