Olds Stock 330-455 Oil Pan on 2040-parts.com

Mazda Ryuga concept

Mazda North America has released a sketch of its Mazda Ryuga concept to be shown at the Detroit Auto Show in January. The Mazda Ryuga builds on Mazda's design language 'flow,' most recently seen in the Nagare concept shown at the Los Angeles Auto Show. Ryuga is Japanese for "gracious flow," and makes use of 'rich fabrics, engineered fits and hidden details,' according to Mazda.

Video: Adrian van Hooydonk on the BMW 4-Series Coupe concept

BMW's Director of Design Adrian van Hooydonk explains the design strategy behind the 4-Series Coupe concept's design in a video interview filmed at the car's reveal at the Munich Design Night. He talks us through how the design team played with the wheelbase length to create new shapes and convey a sense of "elegance and power". Check out the full story and gallery of the BMW 4-Series Coupe concept for more information on the car that will replace the 3 Series coupe.

Mercedes E63 AMG gets a tweak for 2011

The Mercedes E63 AMG gets a tweak or three for 2011 The Mercedes E63 AMG debuted at the New York Motor Show last year. Which even in car terms isn’t exactly an age ago. We can’t be sure, but there’s a fair chance that it’s also not much more than six months since the first E63s arrived in customers’ hands in the UK.