sum of u know that im running 17x8's now.. fitted with falken 512's.. 205/40/17 they give a nice stretched look.. i was just wondering on wot pressue i should have them.. i have tried most now.. anything over 32 psi seems to hard.. 36 upwards is not a nice ride..lol im a little worried about cornering at speeds.. and 15 minutes after having them fitted one run flat on the m5 doing 70 mph!! garage replaced tyre free of charge.. any help would be good..ta