1939 Cadillac V16 Cylinder Series 90 Aea Tune Up And Adjustment Chart on 2040-parts.com

Video: Porsche's Michael Mauer and Mitja Borkert on the new Macan

Porsche style vice-president Michael Mauer has revealed how the new Macan's design was influenced by racecars. In this new video, Mauer and members of his design team explain some of the Macan's development and the team's desire to create "a true Porsche in each segment – a true sports car". Classic Porsche design cues were immediately obvious upon seeing the Macan in the metal in Tokyo and Los Angeles – including its rear and interior – and Mitja Borkert, director advanced design style, identifies other recognizable features.

Poor quality diesel blamed for winter breakdowns

Thousands of drivers are risking a winter breakdown through being sold poor quality diesel fuel, the RAC has warned. All makes and models of car are at risk, says the breakdown recovery provider, with breakdowns proving more prevalent in eastern England and Scotland, and the greatest concentration of breakdowns occurring in the North East. Winter motoring guide Winter driving tips The organisation hasn’t yet found the root cause of the problem – so it is working with fuel retailers to work out what’s causing it.

BMW MegaCity Range Extender option

BMW MegaCity - Range Extender option A year ago, when BMW revealed the BMW Concept ActiveE 1-Series in Detroit we had a big old press release. And inside that press release was the small gem that the MegaCity part of BMW’s project-i would include drivetrains other than electric. We’re not sure BMW ever said that its MegaCity cars would be all electric, although we’re probably not alone in having assumed that.