Spindle Nut M24-1.5 Hex S on 2040-parts.com

Mercedes C63 AMG Performance Package Plus

The Performance Package Plus on the Mercedes C63 AMG Mercedes has revealed the ‘Performance Package Plus’ for the C63. The stock 6.2 litre V8 has had a bit of SLS magic sprinkled on it and gets forged pistons, a lightweight crankshaft and new connecting rods. The ECU also gets a tweak or three.

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.

Design Development: KTM X-Bow

KTM is an Austrian motorcycle company. Originally it produced only off-road bikes, but now it also makes ATVs / quads and road orientated machines, all focused on the enthusiast end of the motorbike market - there are no retro-cruisers, scooters or large screened tourers in the KTM range. In the summer of 2005, this hardcore motorbike company, along with their design partner of 14 years, Kiska, embarked on a research project, which within 6 months saw them committed to adding a sports car to their range.