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The xDrive50i model gets its 4.4 liter V8’s twin turbo engine boosted up by 41hp and 50Nm so post-upgrade it makes 448hp and 650Nm of torque. These power increases boost 0 to 100km/h acceleration time for both models by approximately 0.2 seconds Cars United State Of America, Car United State Of America, USA Car, USA Cars, Car USA, Cars USA.
