Just did a back-to-back test of an E70 4.8 with and without active steering at a BMW-sponsored test drive last weekend. They set up a great little course at a local race track (high speed slalom, low speed slalom, avoidance maneuver, emergency braking, etc.). Everybody commented on how much more responsive the E70 with active steering was (including myself). I'm convinced that I would check off this box if ordering a new E70.

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2005 X5 4.4 (Sterling on Truffle) w/sport everything
2011 Audi S4 (Prestige, DSG)
2012 Audi Q7 (Sport, S-Line)