Hi I probably have a hole in the tire at the back left of my boxster S, because it constantly loses air. Now I have heard from a dealer that high-speed tyres (V > 210 km/h) are no longer allowed for patching (23€) but you have to buy a new tire. Now I still have a lot of profile on the tire and would hate to put it away. I don’t actually drive over 200 km/h, but give more gas on country roads :-). There should be tyre dealers near me, d he fix the tires despite different regulations. See there a safety risk, if I let it fix and do not drive faster than 200km/h. For such tires repair is allegedly permissible… xenio