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

2014 BMW 4-series coupe pricing to start at $41,425; base six-cylinder costs $46,925

Tantalized by the 2014 BMW 4-series, but hesitant to put money down on the 3-series coupe replacement until you've had the chance to pore over a complete list of options packages? Once you've worked your way through the pricing guide below, you'll have no excuse not to head to your local BMW dealer. The online configurator went live a few months ago, but this is perhaps the most straightforward and easily digestible pricing breakdown so far.

Crazy self-driving Rinspeed XchangE concept for Geneva 2014 debut

You can rely upon Swiss concept specialists Rinspeed to release something suitably crazy on the run up to their home Geneva Motor Show – and 2014 is no different, it appears. This is the Rinspeed XchangE, a self-driving autonomous car that shows "what will move us tomorrow," according to the firm; it’s "the office and living room on wheels." Natch. Please click on the image above to read more about the 2014 Rinspeed XchangE concept

The Alliance on Winter Tyres: The world’s gone MAD

Philip Hammond dropped a clanger on Winter Tyres We’ve banged on about Winter tyres to anyone who’ll listen – and those that won’t – for longer than we care to remember. And we’ll continue to do so. Winter tyres can offer better grip in crappy conditions than driving an SUV.