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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.

Porsche opens new Weissach design studio

Porsche has officially opened its new design center. Located at its Weissach development center, the facility includes interior and exterior design departments, plus a dedicated area for concept car construction. According to Porsche chairman, Matthias Müller, the architecture of the new studio has been designed to allow the firm's "creative developers to work hand-in-hand even more methodically than before." The new design center is one of three new buildings opened at the site, which have been built as part of a $200million investment at Weissach.

Young driver insurer pairs with safety charity

SPECIALIST young driver insurer Marmalade is throwing its weight behind safety charity Brake’s 2014 ‘2young2die’ campaign. Brake, the national road safety charity, launches its 2014 workshops and awards scheme this week, and announces Marmalade as its funding partner. Marmalade’s financial support enables Brake to run eight regional educational awareness workshops in the UK’s key cities this year.