There are two more cameras on the doors, pointing in at us; one over our shoulders, pointing at the instrument panel; one mounted to the dashboard, pointing at my face; one under the nose of the car, to capture the road whizzing by; one attached to the front of the roof; and another looking up over the roof via a pole mounted to the rear end. (inc.com)
To prevent the roof material «ballooning» when the hood is up and the car travelling at decent speeds, BMW's engineers inserted a composite panel at the front of the roof between the layers of fabric. (evo.co.uk)
Finished in deep blue over black, with grey leather interior piped in blue, this example has the wonderful Sedanca canvas top, unfurling from the hidden compartment in the front of the roof. (bmwblog.com)