Based on what is happening to the bike world I suspect some massive catalyst under/behind the engine....
Removal of which will be an MOT fail at 3 years.
Plus a new map to match the needs of the cat.

That they are imposing this nonsense on machines that do such a low milage is simply stupid. But stupid is as stupid does.

On the bright side, existing M3Ws will probably be in greater demand as one will always be able to play with them...!!
The may even appreciate in value!

Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...