B7a-10505-a Fredjones Reman. Voltage Regulator.15 Volt-40 Amp. on 2040-parts.com

Mercedes’ AMG division unveils new twin-turbo V8

Those obsessed with torque bemoaned Mercedes’ high-revving 6.2-litre V8 when it was launched in 2005, but just as the world has come to accept the naturally aspirated engine, the company has now unveiled a new twin-turbo 5.5-litre V8. Up to 563bhp – which is the same as the SLS AMG – and 663lb ft, which is much more than the 479lb ft the modern-day Gullwing supercar manages. The engine is an all-new 5.5-litre V8 (5461cc to be exact) with direct-injection technology, an aluminium crankcase and two turbochargers.

Saab 9-4X – production starts

The Saab 9-4X has gone in to limited production in Mexico With all the shenanigans going on with the sale of Saab it’s very easy to forget that there is the business of making cars still going on. Not just still going on, but moving forward. We reported last month that Saab were to re-start production in January and it now looks as if the yet to be revealed Saab 9-4X SUV is also being made – albeit in small numbers.

Daihatsu Kopen concept stars at the Tokyo Motor Show 2013

This modest Daihatsu Kopen concept is indisputably one of the stars of the Tokyo Motor Show 2013. As the name suggests, it’s an all-new version of Daihatsu's tiny but fun, folding metal hardtop roadster sports car. And yes, it is now spelt with a K rather than a C.