ALPINA CLASSIC 20 «forged wheels with a traditional design with 20 spokes and wheel hub covers are a real exclusive feature of the car. In collaboration with Pirelli tire experts, tire sizes have been carefully selected according to BMW ALPINA B5 requirements. ALP with Pirelli P Zero traction on any road surface and uses materials reserved for the ultra-high performance tire program ALPINA brake system consisting of four piston fixed brake calipers with 395 mm diameter brake discs on the front axle and 39 mm floating brake calipers with brake discs , provides excellent braking performance.