Pair Of Red Dietz 270 / 276 Turn Signal Lights on 2040-parts.com

Revolutionizing the BMW M3

BMW is less than a year away from officially revealing the fifth generation of the menacing M3, the first to receive turbocharged six-cylinder power. The performance sedan, code-named F80, is expected to appear as a lightly veiled concept at the 2013 Geneva motor show, debuting the appearance and mechanical package of the M division's eagerly anticipated Mercedes-Benz C63 AMG rival. A showroom-ready version with a production interior arrives at next year's Frankfurt motor show, BMW sources say.

Autoweek in review: What you might have missed

Longtime Autoweek contributor Patrick C. Paternie passed away at the age of 65. He had just completed a vintage race in his Porsche 911.

Cadillac may get future rear-drive hybrids

General Motors' two mode hybrid powertrain, used only in trucks, will migrate to rear-drive cars in the next generation, said Tom Stephens, GM's vice chairman of global product operations. Two likely candidates: Cadillacs, says consultant Jim Hall of 2953 Analytics in suburban Detroit. Last month, GM said it is developing an electric motor that is 25 percent smaller and 20 percent more powerful than the motor used in today's two mode hybrid full-sized trucks.