If you have to choose, then go with the comfort seats. They are absolutely fantastic and IMHO make a huge difference and are a must have

The heads up is a really nice to have - especially when you use the navigation system.

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2011 X6 xDrive50i - Titanium Silver/Black Nevada/Bamboo.
Loaded except: Smartphone Int, Heated Rear Seats, Rear Ent, Lane Dep, SC Doors, 20" Wheels
2008 Aston Martin Vantage - Black/Black
Loaded