See also:

Tire inflation pressures X5 xDrive50i with three rows of seats
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BMW X5 xDrive50i: BMW's Twin-Turbocharged V-8.
The new BMW X5 xDrive50i takes its place as the flagship of the X5 family, yielding 400 horsepower at 5,500 rpm and 450 lb-ft of torque at 1,750 - 4,500 rpm from its twin-turbocharged 4.4 liter V- ...

Going & Stopping
The 750i gets a new V-8 engine for 2009 that's smaller but makes more power than the previous engine — 400 horsepower, to be exact. It's the same engine that delighted me in the X6 xDrive50i, and ...