Normal
Keep performing even when the pressure drops: run-flat tyres keep you mobile even if all tyre pressure is lost. Instead of an unpleasant and unsafe roadside tyre change, you can reach home safely or drive to the next workshop for assistance.Run-flat tyres are their own spares: thanks to specially reinforced side walls and additional lateral strengthening, they continue to perform their function even if all air pressure is lost. The heat-resistant rubber compound is able to withstand additional heat build-up.With run-flat tyres fitted, you can continue driving for up to 150 km at a speed of up to 80 km/h without any significant loss in vehicle stability.(http://www.bmw.com/com/en/insights/technology/technology_guide/articles/run_flat_tyres.html?source=index&article=run_flat_tyres)
Keep performing even when the pressure drops: run-flat tyres keep you mobile even if all tyre pressure is lost. Instead of an unpleasant and unsafe roadside tyre change, you can reach home safely or drive to the next workshop for assistance.
Run-flat tyres are their own spares: thanks to specially reinforced side walls and additional lateral strengthening, they continue to perform their function even if all air pressure is lost. The heat-resistant rubber compound is able to withstand additional heat build-up.
With run-flat tyres fitted, you can continue driving for up to 150 km at a speed of up to 80 km/h without any significant loss in vehicle stability.(http://www.bmw.com/com/en/insights/technology/technology_guide/articles/run_flat_tyres.html?source=index&article=run_flat_tyres)
