Maradyne Durango Auxiliary Heaters Hf-100012-m on 2040-parts.com

BMW M3 and M4 on track, on video ahead of Detroit debut

The new BMW M3 and M4 on track at the Nurburgring The next instalment for the new BMW 3 and 4 Series is the arrival of the new range-topping, benchmark-setting BMW m3 and M4 at Detroit in January. Ahead of that, BMW has already given us plenty of the specs for both the 2014 M3 and M4. They include the arrival of a new 3.0 litre turbo engine for the M3 and M4 offering 424bhp and 369lb/ft of torque – more than the old 4.0 litre petrol could muster – attached to a manual gearbox as standard with a tweaked seven-speed dual-clutch auto as an option.

Autoweek in review: What you might have missed

The rain-delayed Daytona 500 provided multiple headlines this year: Matt Kenseth won the big race, while Juan Pablo Montoya crashed into a jet dryer under caution and Brad Keselowski tweeted from his race car. It was a 500 to remember as NASCAR went prime-time on Fox on Monday night. Click here for all of the Daytona 500 coverage.

Video: GM's Frank Saucedo, Niki Smart and Gael Buzyn on the Elmiraj concept

GM director advanced design Frank Saucedo features in a new video explaining the design process behind the new Elmiraj concept. Saucedo, who oversaw the concept's development at GM's advanced design studio in North Hollywood, California, talks about how the Elmiraj – the second in a series of three concept cars that began with last's year Ciel – is a study of how they can progress and evolve the carmaker's ‘Art and Science' design philosophy. GM's interior design manager Gael Buzyn and exterior design manager Niki Smart also feature, with Smart explaining how the Elmiraj concept is focused on the notion of ‘the drive' and has been designed to reflect dynamism while the Ciel was about ‘the journey', represented by a luxurious interior.