BMW has rocked the automotive world with the dramatic unveiling of the CS concept at the Shanghai motor show that’s set finally to take the battle to Mercedes CLS coupe-saloon.

Powered by the V10 that lies under the bonnet of the M5, the CS is expected to shares the same mechanicals and, albeit stretched, 5-series platform.

BMW has so far denied it will go into production.

More to follow from our correspondent at the Shanghai motor show.

View the BMW CS Concept film.