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BMW M4 Convertible revealed. Price from £60,730

The BMW M4 Convertible (pictured) revealed We reported last month that the new BMW M4 Convertible would debut at this year’s New York Auto Show, and here it is ahead of that debut complete with trick folding metal roof, 425bhp and a price tag that just nicks over the £60k line. A direct replacement for the old M3 Convertible, the M4 Convertible will cost you just over £4k more than the M4 Coupe, but for the extra money you get the same car but with infinite headroom – and a big weight penalty. The new 3-piece metal folding roof can be tucked away in a mere 20 seconds at the flick of a switch, with better noise insulation than the M3 Convertible had and more room in the boot when the roof is down too.

Design-firm boss Sergio Pininfarina dies after long illness

Sergio Pininfarina, who ran the famous Italian automotive design company of the same name for 40 years, has died after a long illness. He was 85. Pininfarina had the last word on the company's design projects for almost 50 years.

Design Services: Car Menu launched

Within almost every automotive design department throughout the world, their comes a time when a junior designer is dispatched to find a picture of some new model's tail lamp, the side view of a particular class leading competitor or examples of several new cars' colour and trim packages. Whilst looking at the competition is not necessarily a healthy way of finding ideas, it is often essential to demonstrate what is feasible, check in-house proposals are not too derivative, or show how advanced a design theme is relative to the same type of cars on the market. But even if the particular aspect of a car can be found, press packs and magazines typically show cars in the flattering light of an exotic location or being drifted around a corner on opposite lock; rarely are these images particularly useful.