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BMW M3 engine shown

By Ben Barry Motor Industry 23 March 2007 01:18 BMW has revealed detailed specs on the all-new 4.0-litre V8 that’s soon to be slotted into the all-new M3. Power is confirmed at 420bhp with 295lb ft peak torque available from 3000 to 7000rpm. The engine – made at the same foundry as the BMW Sauber F1 team’s V8 and derived from the same architecture as the M5 and M6 V10 – looks set to dispel any fears M purists may have had that the M3 would be transformed into a nose heavy, slow revving behemoth.

Top 5 most important cars at the 2013 Frankfurt motor show

The five most important memorable cars in attendance at the world’s biggest motor show Nothing is as controversial as irritating your core enthusiasts, and the Audi Sport Quattro concept risks doing just that. Its name and styling riff off one of the most iconic cars in Audi’s back catalogue – and in WRC history – yet the new yellow version unveiled at the 2013 Frankfurt motor show has abandoned the five-cylinder engine, manual gearbox, and respectable kerbweight of the 2010 Quattro concept. In its place, we’ve an RS7-based coupe with the power of a Lamborghini Aventador (691bhp), twice the claimed economy of a Golf GTD (113mpg), but only because of a twin-turbo V8 mated to a hefty hybrid powertrain, and that means this new Sport Quattro weighs as much as a Bugatti Veyron Super Sport (1845kg).

Mercedes-Benz OKs the CLS wagon

Mercedes-Benz will launch a wagon version of the second-generation CLS sedan as a rival to the recently introduced BMW 5-series GT and the upcoming Audi A7. The new four-door--presaged by the German carmaker's 2008 Concept Fascination two-door shooting brake revealed at that year's Paris motor show--is among a throng of niche-market models under consideration by Mercedes boss Dieter Zetsche. "We're seeking to improve our returns by better utilization of existing platforms," a high-ranking Mercedes source told AutoWeek.