Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Infiniti Etherea concept (2011): Shiro Nakamura's guide

The global unveiling of the Etherea concept car and a tie-in with reigning F1 champions Red Bull Racing made for a busy start to the year for Infiniti. In between endless meetings and flights, we collared Nissan and Infiniti design chief Shiro Nakamura to get the low-down on the Etherea… When did you start work on the Etherea? 'It was about 18 months ago.

BMW builds its first MPV! Official pics of BMW Active Tourer leaked

These leaked pictures reveal the first of a new generation of front-wheel-drive BMWs – the production version of the firm’s 2012 Concept Active Tourer show car. Yes, it’s the first-ever BMW MPV. While instantly recognisable as a descendent of last year’s concept car, the production version of the people carrier seen here features a stubbier nose and reshaped bonnet, as well as losing the show car’s oversized wheels and complex wing mirrors.

American muscle and hot rods at SEMA 2013: in pictures

As they say in the States, "there aint no replacement for displacement" – a theory all of the vehicles in our SEMA 2013 American muscle and hot rods gallery subscribe to. Some tuners at SEMA use turbocharging and supercharging to achieve massive horsepower levels from modified cars, but not most of the companies behind the tweaks on these American muscle cars and hot rods – green these vehicles most definitely aren’t, mean they most certainly are. Please click on the image above to read more on American muscle cars and hot rods at SEMA 2013…