A remap will void your warranty and must be declared to your insurer who will probably increase the premium. A 2013 might have the latest EA889 BMT manifold in head engine.

If you run it exclusively on Shell V-Power Nitro Plus the mpg should improve by as much as 5mpg, which should pay for the increased cost of the fuel as well as keep the engine clean and problem free. There have been other reports of poorer fuel economy from this engine than from the previous 2.0TDI.