Check out
thread starting here Les, particularly my last post on it. Some of the links for sources may have dried up but think you have enough info to find others. Fitted them four years ago now and wouldn't be without. Absolutely no MOT issues during that time. Note headlamps also have a permanently on sidelight function.
One important point is that the dual colour LED's must be labelled as CANBUS friendly but only because this means they have same indicator current draw as OE to maintain correct flash rate.
