But that's the problem. In Europe if the dealer can see the unit has been tuned (and they can, even if you remove the map with a programmer) then they will wipe their hands of it.
We don't have the same protection as you guys!!
And we have to pay for our servicing too, its not free like in the US.
F30 330d M-Sport
F20 116i M-Sport for the wife
E90 330d M-Sport, gone but not forgotten