BMW has gradually unveiled their new X6 range, starting with the regular model, continuing with the X6 M50d part of the new M Performance Line, and now getting to the most powerful version the X6 M.
The Bavarian car maker has dropped the first images and an initial promo video featuring the new performance Sports Activity Coupe, and if you look closely you’ll notice a few minor changes applied to the vehicle’s front spoiler and headlamps. The 2013 BMW X6 M has also received LED taillights, new 20 inch wheels designed to accommodate 275/40 tires at the front and 315/35 at the rear, plus new colour and material options for the interior.
There are no changes under the bonnet as the 2013 BMW X6 M will extract power from the same 4.4-litre bi-turbo V8 capable of delivering 555 HP and 680 Nm of torque. This means that accelerating from 0 to 62 mph will continue to take 4.7 seconds.      

2013 BMW X6 M Promo :

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Source: BMW