I'm having the Comfort Steering fitted and at first my dealer was quoting over £400 for parts and labour. I sent them a copy of the Aero Racing letter and they are now doing it for the £198 quoted.
The Service Manager didn't seem to be aware of the letter which clearly says the dealer network had been consulted and the prices agreed.
Hopefully this is just a lack of the communication getting through rather than the dealer picking up the tab for the labour.