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

Problems with your McLaren MP4-12C? Have a ‘McLaren: The Wins’ coffee table book

Ron Dennis apologises to McLaren MP4-12C owners A couple of weeks ago we reported that McLaren was having some teething problems with their new MP4-12C but weren’t, despite reports to the contrary, halting production. The problems seemed to be mainly software related, with issues including warning lights flashing on and battery drainage issues, which seemed to be because the MP4-12C’s electronics didn’t turn off when the car was halted. But it seemed McLaren were working on the issues with the same sort of zeal we’ve come to recognise from their F1 programme, no doubt spurred on by the wrath of Ron Dennis.

BMW offers M Performance Parts for 3- and 5-series

BMW opened up its M Performance Parts catalog to the new 3- and 5-series, the company said on Friday. The German automaker will offer chassis, brakes, aero upgrades and exhaust improvements for the 2012 3-series and the 2011-12 5-series. BMW revealed the line for its diesel cars in Europe in January, but those cars won't be coming here.

Brabus 800 E V12 Cabriolet – it’s a bonkers Mercedes E-Class Cabriolet

Brabus 800 E V12 Cabriolet So you fancy a Mercedes E-Class Cabriolet, but you feel Mercedes has failed miserably to endow any E-Class Cab with enough power to whip the skin off a rice pudding. What do you do? You go out and grab yourself an E-Class Cab tweaked and fettled by Brabus – something like the new Brabus 800 E V12 Cabriolet with 800 continental horses at its disposal – more than enough speed on tap to whip the syrups off your back-seat passengers.