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

Driven: BMW 335i Cabriolet

The 3 series has come a long way. While the original 1975 E21 was initially only available as a two-door sedan, it was soon transformed into a cabriolet thanks to an aftermarket conversion kit by Baur. In 1982, the E30 was a two or four-door sedan until several years later, when BMW offered the "Touring" wagon and the full factory-produced cabriolet.

Renault Mégane Coupé-Cabriolet (2010) first pictures

Renault has whisked the covers off the new 2010 Mégane Coupé-Cabriolet, the sixth bodystyle of the latest Mégane family. There are few surprises: it's a two-door with a foldling hard top, like its predecessor. The roof is mainly smoked glass and there's a new fixed glass wind deflector positioned behind the rear seats to minimise buffeting up to 50mph.

Cadillac Urban Luxury Concept (2010) first pictures

Cadillac today introduced what it describes as an 'urban luxury concept' - aka a posh supermini to rival the Mini. The small Cadillac was one of the surprises at the 2010 Los Angeles auto show and our reporters on the ground are calling it one of the hits of the show. Clay Dean, director of GM North America, said the Cadillac Urban Luxury Concept stood comparison with Europe's finest city cars. At just under 4 metres long and 1.7 metres wide, he has a point.