It was first announced at the end of 2008 and introduced in early 2009. The BMW Z4 was the first Z Series model to use a retractable hardtop and meant that there were no longer separate roadster and coupé versions of the car.
A high performance car tyre developed to deliver shorter braking distances and reliable handling
Bridgestone Potenza RE050A is an ultra high performance tyre designed for passenger cars.
The Michelin Pilot Sport 4 has been designed to deliver a seamless blend of enjoyable driving and top safety.
Designed for high performance and sports cars, the Michelin Pilot Sport 4 S offers an unparalleled driving experience due to exceptional steering precision and directional stability.
Very well, excellent grip and handling compared to the run flats as fitted as standard
Fairly good but not as grippy as the last set of the sand tyres
We changed our z4 tyres from run flat to ‘normal’ tyres. What a difference they make
Excellent and a real smooth comfortable drive and experience
They are performing well, but not yet run in. Grip changes once the tyres have covered a few hundred miles.