More efficiency for an inefficient vehicle. BMW is really testing our memory and powertrain-matching skills with its 2011 lineup. One of our favorite current engines is the N54 twin-turbo 3.0-liter inline-six, which produces 300 hp and 300 lb-ft of torque in nearly every model in which it’s installed. But, as you probably know, it is being gradually replaced by an evolution of that mill, the N55 single- turbo inline-six, which still displaces 3.0 liters and produces identical horsepower

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2011 BMW X6 to Get Single-Turbo N55 Inline-6, 8-Speed Transmission – Car News
This issue is much talked about. I guess it’s good news for the BMW fans
People might have those rims on the E46 having the sport pkg. For the tail updates, this is the bargain technique of delivering a small refresh into its latest design to attractl potential buyers into getting a more recent model year. They do it constantly along with the front skirt and taillights. The E46 didn’t attain it’s taillight upgrade before the 04 styles I believe.