Mine had been at the dealers for 4 weeks, everything approved and going to schedule and then realised the cylinder head wasn't right, HQ and Mondial get involved and warranty gets chucked out.
If you think anything major has gone on your car get rid of the mods asap and make sure they aren't recorded anywhere.
The only thing they could see on mine is possbily the limiter kit and the Yellow Pagid pads! lol