Drive a new BMW i7 xDrive60 and you’ll have no complaints about its performance; what’s not to like about a big, comfy, electric luxo-barge with 536 horsepower, 549 pound-feet of torque, and a 0-to-60 mph acceleration time of 4.5 seconds? But BMW wouldn’t be BMW if it didn’t struggle to leave well enough alone, and so we now have the even hotter i7 M70, giving the company’s flagship increased power and presence – not to mention a big jump
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