S13 240sx Dohc Gauge Cluster on 2040-parts.com

Concept Car of the Week: Mercedes-Benz C111, C111-II and C111-IID

In 1962, Mercedes-Benz launched a research program to investigate the development of the Wankel rotary engine and its potential both on the road and track. While the early mule wasn't a looker, the prototype's design continued to evolve until a public unveiling of the C111-I concept, designed by Bruno Sacco, at the 1969 Frankfurt motor show. The coupé may have looked like the systematic further development of the Sport Light models from the ‘50s with its gullwing doors, but it wasn't a design study for a new SL.

Autoweek in review: The racing season heats up, we pick the Popemobile

The second week of March saw the racing season warming up. We also finished our Geneva motor show coverage and began to prepare for the New York auto show. Here are our top stories of the week.

Spy photos: BMW i8 hits Swedish test track

Spy photographers caught the new BMW i8 testing on a secret track wearing the company’s familiar psychedelic camouflage. The test car pictured is a preproduction model rather than a concept BMW i8, similar to what should appear in 2013. As reported earlier, we’re expecting BMW’s 2014 i8 hybrid coupe to get a 1.5-liter, three-cylinder direct-injection gasoline engine--essentially the same unit earmarked to head into the next-generation Mini and the front-wheel-drive BMW 1-series due out in 2014.