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

Button: I over-reacted at Hamilton

JENSON BUTTON has conceded to an over-reaction in his criticism of Lewis Hamilton following Sunday's German Grand Prix. Button initially claimed Hamilton's performance at Hockenheim to be "strange" as his former McLaren team-mate was involved in a trio of minor collisions en route to finishing third from 20th on the grid. One of those involved Button at the hairpin as an attempt by Hamilton to pass culminated in the latter losing the front-wing endplate from his Mercedes.

BMW i8's design explained [w/video]

BMW has released a new YouTube video describing how the i8's design attempts to forge a new relationship between functionality and form. The video explains how the i8's design targets practicality – with aerodynamics and fuel efficiency in mind – while maintaining a sporty and dynamic look. A number of cues such as the long wheelbase, short overhangs and sweeping roofline are identified as features that make the i8 such a unique design.

Audi A6, A6 Avant & A7 Black Edition launched

Audi has released Black Edition version of the A6 Saloon, A6 Avant and A7 with extra equipment and cosmetic tweaks. Audi has taken the S Line A6, A6 Avant and A7 and given them a ‘Black’ makeover for a special edition range that starts at £35k and carries on to almost £57k. Cosmetic and equipment additions over and above the regular S Line Spec include rotor-design alloys with a dark titanium finish (20″ on A6, 21″ on A7), black finish for the grill and window surrounds, privacy glass and black roof rails on the A6 Avant. Inside there’s Piano Black trim, black leather seats and black headlining.