how do i tell if my tin top has run flats? any tyre fitters out there?

[ozzy1]

Below are the side wall markings of all the main tyre manufactures
They maybe marked RSC (R-un flat S-ystem C-omponent), or with one of the below
Bridgestone= RTF (Run Flat Tyre)
Dunlop= DSST (Dunlop Self-Supporting Technology)
Firestone= RTF (Run Flat Tyre)
Goodyear= EMT (Extended Mobility Technology)
Kumho= XRP
Michelin= ZP (Zero Pressure)
Pirelli RFT= (Run Flat Technology)
Yokohama= Run Flat