Did you get a part number? I see this listed on the fiche:ogden wrote:Mine's now had the warranty claim dealt with for the filler cap problem, and the fix is a new fitting for the tank, rather than a change to the cap itself.
The black triangular bit at the opening has been replaced with a silver one with a bigger aperture, and the problem's completely gone.
Good to get there in the end.
2 76507008050 FLANGE TANK CAP superceeded by 76507008150