Caliper Mounting Bolt on 2040-parts.com

Alfa Romeo 4C hits the track (video)

The Alfa Romeo 4C (pictured) out on track – on video The Alfa Romeo 4C has been on its way for longer than it should have been. But Alfa Romeo finally got round to revealing the 4C in prodiction spec at the Geneva Motor Show in March, and visitors to this year’s Goodwood Festival of Speed later this month will get to see the 4C strutting its stuff up the hillclimb. But ahead of that dynamic debut, Alfa has released new video of the 4C out playing on the Balocco Racetrack in Italy, with a few wailing exhausts notes but far to much dramatic music as a soundtrack.

Audi E1 e-tron city concept in Berlin +video

Audi E1 e-Tron in the Potsdamer Platz Did Clive Sinclair get in to bed with Audi? Are the progeny of Fend Flitzer lurking in the bowels of Audi Towers? We ask because the latest Audi e-Tron Concept (the Audi E1, perhaps?) which rolled out of the back of a van in the Potsdamer Platz looks for all the world like the result of a mating between a Messerschmitt and a Sinclair C5.

Porsche 911 Carrera 4 (2012) first official pictures

Porsche has a new four-wheel drive - but it's not the Macan crossover, or an SUV of any description. The new-generation 911 has had the all-paw treatment, growing wider wings and fatter tyres in the process. It's also lost around 65kg compared with the old 997 Carrera 4, and Porsche claims it's a good deal faster too.