All Season Ultra High Performance Tire

Grooved tread block walls:

Reinforce block stiffness, promoting even load distribution, improved handling and wear characteristics. Designed to reduce pipe resonance for a more comfortable and quiet ride.

Taper tread edges:

Promote uniform contact pressure for improved stability.

High angle V-shaped tread grooves:

Aggressive high angle grooves enhance water evacuation to improve wet handling and hydroplane resistance.


The Z4+AS is an ultra-high performance all-season tire, designed for uncompromising performance under all weather conditions. Engineered for high-speed performance, cornering, and braking, the Z4+AS lets you get more out of your car. • Optimized to deliver a balance between ultra-high performance needs and comfort of everyday driving in all weather conditions • Special silica blends maximize grip and handling stability in dry while maintaining outstanding wear characteristics • 30 Day Trial Period.