BMW M12 NAZCA Alpina 3 months ago Share this:Pocket Click to share on Reddit (Opens in new window) Reddit Share on TumblrPost Click to email a link to a friend (Opens in new window) Email BMW Alpina C1 318i – Experimental car based off an E21 3-series built for the 1981 Shell Economy Challenge. It won it’s class at 88mpgIn relation toWeird WheelsBMW…In relation toWeird WheelsA show car based on the fictional M12 WarthogIn relation toWeird Wheels