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

Stylish 4 Series Convertible announced by BMW

BMW revealed its new 4 Series Convertible that will cost from £36,675 when it reaches UK showrooms in March 2014. With styling closely related to the 4 Series Coupe’s, the Convertible has a folding metal roof that can be raised or lowered in 20 seconds while driving at speeds of up to 8mph. BMW has also introduced a new Air Collar to keep front seat passengers’ necks toasty by blowing warm air on to them from vents in the headrest.

Renault to unveil Alpine-branded concept car at Monaco GP

Renault is set to unveil an Alpine-branded concept car at this weekend's Monaco Grand Prix. The A110-50 – so named to commemorate the fiftieth anniversary of the oh-so-pretty A110 rally car – is clearly a development of the 2010 DeZir concept car although with only one leaked image to analyze, it's difficult to know by what amount it has changed. Clearly it has been subjected to the addition of a myriad of additional details, surfaces, inlets, outlets and various pieces of racing addenda however that, on the little evidence we have, appear to have added drama to the detriment of the refreshingly non-aggressive nature of the DeZir.

This Mercedes turns up the heat -- in your house

Mercedes-Benz brought some interesting and unusual examples of in-car connectivity tech to Las Vegas, partnering with some trendsetters in the electronics game -- namely, Nest Labs, Pebble, and Google. The connectivity and app technology will eventually make its way into the C-, the E- and the S-slass. Get it?