Air Filter Recharger Kit, K&n on 2040-parts.com

Spy Shots show 2015 Cadillac ATS Coupe

Cadillac coupes have always carried a certain degree of dignity and romance, often underlined with performance and imposing design. Think Don Draper's '62 Coupe de Ville. Now comes the 2015 Cadillac ATS Coupe, the two-door version of the sedan launched last year as a BMW 3-series and Mercedes C-class fighter.

Hamann tunes the BMW 5-series GT

The BMW 5-series GT is already a striking ride, and now German tuners Hamann have worked their magic on the crossover with performance, aero and visual enhancements. The 5-series GT is thoroughly modified by the speed shop. The exterior is marked by a host of custom parts, including side skirts, front and rear spoilers and four stainless-steel exhaust pipes that measure 90 millimeters in diameter.

Michelin Challenge Design 2015: Jury meeting and entry review

Michelin Challenge Design has held its annual jury meeting and review of entries. The event took place at the Canepa Motorsports Museum in Scotts Valley, California on 14-15 July. The museum is home to a large number of significant racing cars, including a rare 1976 Tyrrell P34 six-wheel Formula 1 car, a 1969 Porsche 917K and the 1985 Rothmans Porsche 962C.