 I Purchased my new 535I one month ago with most of the bells and whistles and from a technology, beauty, and build perspective this car can not be beat.  The interior is amazing and all the electronics work like a charm.  The navigation, voice system, and radio interface is awesome and the heads up display system is crazy good.  The way the heads up display integrates everything, you really never have to look down.  The biggest downside so far is that the car does drive like a large sedan and even in sport mode it does not hold the road as well as I expected.   Acceleration in the 535I is excellent, but it feels like it is floating more than i would like when cruising on the highway.  The run flat tires make the ride somewhat rough i think and generate extra road noise.  I will have to consider changing those out for traditional all season tires and just hope for no flat tire.  The Jaguar XF felt like a sportier ride and also has great electronics,  but in my case it had some other drawbacks such as the low ground clearance and interior color selection.  The BMW is a great car, but as in all things there is some room for improvement in the ride.