Pirelli 275/35 R21 103Y Runflat P Zero PZ4 * 2024

The Pirelli P Zero (PZ4) 275/35 R21 103Y XL Run Flat * is a high-performance summer tyre developed for premium cars and SUVs, with a BMW-specific original equipment homologation. Its 275 mm width, 35-series profile and 21-inch construction provide a wide contact area designed for responsive steering, high-speed stability and controlled cornering. The XL construction also supports the higher load requirements associated with premium performance vehicles.

Performance and Handling

The P Zero (PZ4) is part of Pirelli's ultra-high-performance range and is designed around precise handling at both everyday and higher speeds. The 275/35 R21 configuration provides a broad road contact area that helps maintain directional stability and steering response. With a Y speed rating, the tyre is approved for speeds up to 300 km/h under the applicable operating conditions.

Dry and Wet Road Performance

This summer specification is designed to deliver a balance between dry-road handling and wet-weather control. Pirelli describes the PZ4 tread and compound development as being focused on wet performance, traction and braking while maintaining the performance characteristics expected from a premium UHP tyre. The official specification lists wet grip class A for this Run Flat version.

Run Flat Technology

The Run Flat construction is one of the defining features of this specification. Pirelli states that its Run Flat technology is designed to help maintain vehicle control after a loss of tyre pressure. In the event of a puncture, the tyre can allow continued driving for up to 80 km at a maximum speed of 80 km/h, subject to the manufacturer's conditions and the vehicle requirements.

BMW Star Homologation

The star symbol on the sidewall identifies this tyre as a BMW-specific homologated specification. This marking is important when replacing tyres on vehicles requiring BMW original equipment specifications because different P Zero PZ4 versions can have different construction, compound and performance characteristics even when the basic tyre size is identical.

Construction and Comfort

The PZ4 uses a performance-oriented tread design with customised inner and outer tread characteristics. Pirelli states that its design incorporates high-silica content for wet performance and a tread sequence intended to support traction and riding comfort. The result is a specification intended to combine performance-focused road behaviour with the refinement expected from a premium vehicle.

Who Should Choose This Tyre?

This Pirelli specification is suited to drivers who require a 275/35 R21 summer tyre with BMW homologation, XL load capacity, Run Flat technology and a high Y speed rating. It is particularly relevant where the vehicle manufacturer specifies the star-marked P Zero PZ4. Before installation, the required axle position, homologation marking and vehicle-approved tyre specification should be checked. Dwbtyres provides this specification for customers looking to buy car tyres in UAE.

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