Hamann released a teaser picture of their upcoming package for the BMW 6-Series Gran Coupe, and by the looks of things exciting things they are planning big for the four-door coupe. While the official details are yet to be revealed, we can see from the picture that the car features revised bumpers, new side skirts, boot lid wing, Hamann wheels, and a carbon fiber bonnet. So far so good then. Stay tuned for more details and pictures on Hamann’s Gran Coupe.