In March 2013 a number of items were added to the list of MOT test check points, mostly relating to electrical systems and their associated warning lights.
>> Have a look at this post from last March to see the full list.
In addition, as of February 16th, diesel vehicles will be tested for a diesel particulate filter (DPF) or diesel catalytic converter (DCAT) if they were fitted as standard on that vehicle.
>> Here’s a bit more information about the DPF and DCAT checks.