BMW ALPINA B7 (2007-2008) 21x10 Aluminum Alloy Chrome 20 Spoke [71166] : StockWheels.com - OEM Wheels & Used Rims
BMW ALPINA GB on X: "@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" / X
The principle of 20 spokes : History of the ALPINA wheel design
20" Alpina Classic C95 "Softline" wheels in Silver "Lacquer 03" - Alloy Wheels Direct (2699)