Acdelco D615a New Alternator Regulator on 2040-parts.com

Diesel joins Porsche Panamera lineup

Porsche has put forward some eye-catching fuel-economy figures for the Panamera diesel--although we may never see the car in the United States. Set to go on sale across Europe in August, the four-door is claimed to return a combined city/highway driving fuel economy of 36.2 mpg in standard guise under European testing procedures. When fitted with optional low-rolling-resistance tires, the fuel economy climbs to 37.3 mpg on the European test--a figure that gives the Panamera diesel a theoretical range of 800 miles on its 21-gallon fuel tank.

OFFICIAL: BMW M4 Concept

The BMW M4 Concept (pictured) has been revealed The BMW M4 heading towards Pebble Beach this weekend (and pictured above) is billed by BMW as the M4 Concept, but it’s almost exactly what you’ll get when the M4 goes on sale in 2014. As this is a ‘Concept’ BMW don’t feel the need to fill in all the details, but there’s some stuff we can see and some stuff we pretty much know. The stuff we can see includes the same CFRP roof the old M3 Coupe got (in this case titivated with BMW M colours) and CFRP for the splitter and diffuser.

Jaguar XJ Sentinel (2010) first details

Jaguar has revealed details of a new armoured version of its luxury car – the XJ Sentinel. Following on from the sporty XJ75 Platinum concept unveiled earlier this week, the Sentinel is a very different kind of XJ, tailored as it is to the likes of security organisations and governments. Or, let's face it, downright dodgy types likely to have a price on their head.