emissions

First MOT as owner of a R plate Z3 and failed spectacuarly on emissions. Attached is a copy of the emissions report, unfortunately its all alien to me. Any suggestions on potential solutions are appreciated.

On the way to work this morning I had the Emission Degradation Indicator come on. I didn't notice immediately and didn't even know what it was when I saw it. Nothing seemed to be amiss - all the power was there, no noise or other sign so after a quick inspection, I pressed on - my presumption...