I'd just be looking for the transfer fee (£80) and the cost of new plates from the supplying BMW dealer (£60) so £140 in total

That must mean your initials are ID, then.
I never did in the days when getting pulled was a frequent event, as I usually had a good reason to eat some humble pie in the hope of getting away with a b*llocking!
And there was me thinking your name was Iain Tidy....
That's his business partner. They own a cleaning company!