Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

BMW M550d xDrive (2012) - the diesel M saloon

BMW has launched its first diesel M car: the new M550d xDrive in saloon and Touring estate forms. It's part of a strategy to fill the gap between the exclusive M GmbH division cars and the top-end cosmetic M Sport trim lines with a new range of M lite: BMW M Performance Automobiles. Developed by the engineers responsible for the M3, M5 et al, the new M550d xDrive is powered by a new high-output version of the 3.0-litre straight six turbodiesel packing not one, not two, but three turbochargers.

Audi A1 Clubsport Quattro with 496bhp at Worthersee

Audi A1 Clubsport quattro at Worthersee gets a huge 496bhp It’s Wörthersee Tour 2011 time – heaven on earth for VW Group nutters – and this year Audi has put together a very warm A1 with 496bhp – the Audi A1 Clubsport Quattro – to tantalise and torment Audi-philes. Tease and torment because there’s not much chance the A1 Clubsport will make it in to production any time soon, although it’s always possible something similar could see the light of day as the Audi RS1 – a tempting proposition. But first we’ll have to see the Audi S1 quattro.

Citroen DS4 – Citroen DS High Rider Concept

Citroen has revealed the Citroen DS High Rider Concept - the Citroen DS4 to be Citroen are calling this the ‘DS High Rider Concept‘ and have announced it will be at the Geneva Motor Show in a couple of months. But this is the new Citroen DS4 which was teased earlier this week and is Citroen’s next in the DS range. The ‘High Rider’ Concept is actually showing as a three door, but it will certainly spawn an extra pair of doors before it hits the road.