Honda Cr500r Rear Axle on 2040-parts.com

Caterham Superlight R600 (2012) first official pictures

There's never been a forced induction-endowed production Caterham Seven until now, but supercharging is announcing its arrival in the lightweight special in a big way: the new Superlight R600 is the fastest Seven racing car the company has ever built. Competing in the Superlight R600 Championship from 2013, the racer is the most extreme machine yet from Caterham to take to the circuit, but CAR hears there'll be a road legal version along soon for hardcore track day fans. What's the spec of the Caterham R600 Superlight?

Bentley designers talk 'Intelligent Details' in movie shot on iPhone

Bentley has released a short documentary featuring director of design, Luc Donckerwolke, and SangYup Lee, its new head of exterior design, taking a ride around New York City in the back of a pair of Mulsannes. Called 'Intelligent Details,' the film sees Donckerwolke and Lee talking about how one of the challenges of designing a successful Bentley interior is to match the car's performance with the expectation of its integrated technology. And to make sure you get the message loud and clear, not only does the video show the Mulsanne's optional smartly integrated iPads, which emerge from the front seat backs at the touch of a button, the whole movie itself was shot on an iPhone 5S (albeit 'enhanced' by some extremely expensive-looking lenses and rigs), then cut together on one of the car's in-built tablets.

Mercedes C63 AMG 'Edition 507' (2013) first official pictures

Mercedes has squeezed another 50bhp out of the C63 AMG, creating the 500bhp 'Edition 507' range. The power bump comes courtesy of forged pistons new connecting rods and a lightweight crankshaft inherited from the £160,000 SLS AMG supercar. Why is this special C63 AMG called the 'Edition 507'?