This is simply a great car. Good balance of performance and luxury. Not as peppy as my previous BMW, 95 M3, but far more comfortable and convenient. Great handling characteristics for a "larger" car with so much comfort.
Astonishing gas mileage -- pushing 30 on the highway at unmentionable speeds.
The usual from BMW: buttery shifter; smooth engine; supple (not soft) suspension; solid steering
annoying squeaks (not rattles) that are a function of metal doors rubbing the door seals. You would think they could find a seal that would silence this.