The P Zero Run Flat tire is a summer tire designed for high-performance vehicles. It is self-supporting and can provide temporary extended mobility in case of a complete loss of air pressure. This tire has been used as Original Equipment on certain Mini Cooper S and BMW 7 Series sedans, but it also has replacement sizes available for other vehicles. It is important to note that Pirelli's warranty does not cover tires that develop compound cracking when used in temperatures below 45°F (7°C). Therefore, the P Zero Run Flat tire, like all summer tires, should not be driven in near-freezing temperatures, snow, or on ice. The P Zero Run Flat tire features a specialized tread compound made of silica and carbon black. This compound ensures good performance even when the tire is cold and provides consistent performance throughout its lifespan. The tire has an asymmetric tread design that minimizes deformation and offers responsive handling, resistance to hydroplaning, wet traction, and acoustic comfort. The compound beneath the tread also protects the tire's casing from deterioration while maintaining sport handling and ride comfort. The internal structure of the P Zero Run Flat tire includes twin steel belts, polyamide cord plies, nylon and aramid cord integration. This construction controls tire profile deformation, enhances high-speed capability, and stabilizes the tread area for improved handling. The sidewalls of the tire have additional reinforcements to provide self-supporting run-flat capabilities up to 50 mph for 50 miles (80 km/h for 80 km). To ensure safety, vehicles equipped with these tires should have a tire pressure monitoring system (TPMS) to detect and notify the driver of any changes in tire pressure. While not labeled as run-flat tires, tires with the MOExtended or MOE branding on their sidewalls offer similar characteristics by providing limited temporary extended mobility after a puncture results in complete loss of air pressure. However, they have limitations compared to conventional run-flat tires and should not be used as substitutes when a conventional run-flat tire is required. It is recommended to refer to the Original Equipment tire listing for your specific vehicle or consult the vehicle owner's manual to determine the appropriate tire type.

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