Dorman 844-003 5/16 In. X 1-1/4 In. Battery Bolt With Standard Nut on 2040-parts.com

Aston Martin V8 Vantage N430 and DB9 Carbon (2014) first official pictures

By Ollie Kew First Official Pictures 19 February 2014 11:20 Here we have the Aston Martin V8 Vantage N430 and the Aston Martin DB9 Carbon. The special edition Astons are Gaydon’s headline act for the 2014 Geneva motor show. While the Carbon White and Carbon Black DB9s are monochrome cosmetic exercises, the race-inspired Vantages enjoy a power hike and token diet to ramp up performance.

Mercedes-Benz B-Class aerodynamics tested [w/video]

Mercedes-Benz has produced a video testing the aerodynamics of its new B-Class – which it claims is the most aerodynamically efficient car in the world – using a wind tunnel and fluorescent paint. The W245-generation B-Class has the lowest aerodynamic drag in its segment with a Cd of just 0.26, thanks to features such as serrated front wheel arch spoilers, optimized cooling airflow and a Pagoda roof to help airflow over its profile. The car's aero properties were put to the test at the MIRA vehicle test facility in the UK using fluorescent paint in 60mph winds to highlight its flow dynamics, only visible under UV lights.

BMW’s one-off M5 CSL (2009) – a helluva way to go

This is a one-off BMW M5 with close to 600bhp. Built to commemorate the 25th anniversary of BMW’s iconic M5 super-saloon, it’s a stripped-out lightweight special that shows what M Division could have done if it hadn’t built the X5 M and X6 M. Let’s start with the engine.