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

BMW M3 Matte Edition: China only

BMW M3 Matte Edition - China's second limited edition M3 in a year It’s less than a year since China got it’s last BMW M3 special – the BMW M3 Tiger Edition – so we’re guessing it sold rather well as BMW has launched another limited edition M3 just for the Chinese market – the BMW M3 Matte Edition. It isn’t going to be horribly difficult to work out that the defining feature of the M3 Matte Edition is its paint job. It’s Matt Black.

Chrysler performance guru Dan Knott dies at 51

Chrysler senior vice president Dan Knott emerged as an unquestioned powerbroker in the industry, deftly navigating the flying circus that can be automaker-supplier relations. But enthusiasts of all stripes owe Knott a debt of gratitude, as he was a performance guy long before he became a well-known industry executive. Knott, 51, died April 29 after a battle with cancer.

Porsche announces new Weissach design center and wind tunnel

Porsche is to invest around €150m into its Weissach development facility, including a new design center. The plans also include an electronics integration department and a state-of-the art, on-site wind tunnel, which is hoped will allow the company to realize an holistic approach to efficient design, with a strong focus on aerodynamics. When we spoke with head of Porsche design, Michael Mauer, at this year's Paris motor show, he also alluded to the fact that the Volkswagen Group's – and, more specifically, Walter de'Silva's – recent influence on the German manufacturer was shifting its attitudes: "The Volkswagen Group has a very good understanding of how much freedom a brand needs to keep its characteristics and with [Walter] as 'conductor', I feel a lot of support with design issues within the company," explained Mauer.