The Pirelli P Zero Run Flat (PZ4) tires are high-performance summer tires that were developed using Pirelli's experience in Formula 1 racing. These tires are specifically designed for use on luxury sedans and sports cars like the BMW 7 Series, Mercedes-Benz E-Class, and MINI Clubman. They can also be used as replacement tires for certain sizes. One of the key features of the P Zero Run Flat (PZ4) tires is their ability to provide temporary extended mobility in the event of a complete loss of air pressure. This means that even if the tire loses all its air, the driver can still continue driving for a limited distance at a speed of up to 50 mph for 50 miles. To ensure the tire's performance and durability, it is important to note that they should not be used in temperatures below 45° Fahrenheit (7° Celsius), in near-freezing conditions, or on snow and ice. Pirelli's warranty does not cover tires that show compound cracking due to use in these conditions. The P Zero Run Flat (PZ4) tire features a special rubber compound with a high silica content, which provides a comfortable and quiet ride, as well as good resistance to hydroplaning. The tread design includes wide circumferential grooves and lateral notches for efficient water evacuation during high-speed driving or braking. The internal structure of the tire includes reinforced twin steel belts and a hybrid nylon and Kevlar ZeroDegree cap ply, which provides added strength and stability. The casing of the tire may vary depending on the specific application and desired performance characteristics of the vehicle. The sidewalls of the P Zero Run Flat (PZ4) tire are also reinforced to enable the run-flat capabilities of the tire. It is important for drivers to be notified of any loss in tire pressure, which is why vehicles equipped with these tires should have a tire pressure monitoring system (TPMS). This system detects and signals changes in tire pressure. While the P Zero Run Flat (PZ4) tires cannot be labeled as run-flat tires, tires with the MOExtended or MOE branding on their sidewalls offer similar characteristics. These tires can provide limited temporary extended mobility after a puncture, but they should not be used as substitutes for conventional run-flat tires when those are required. To determine the appropriate tires for your vehicle, you can check the Original Equipment tire listing for your specific year, make, and model, or refer to your vehicle's owner's manual. Further information about MOExtended/MOE tires can be found in the provided link.

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