BMW E38 violet Alpina 20" | Bmw alpina, Bmw e38, Bmw vintage
The principle of 20 spokes : History of the ALPINA wheel design
BMW ALPINA GB on Twitter: "@MarketEng 20-spoke @ALPINA_GmbH wheel has to be a contender. This is latest 25% lighter forged design at Frankfurt with exposed valve and bolts. https://t.co/ty8kmYLFBU" / Twitter