Standard/t-series Ks159t Knock Sensor on 2040-parts.com

Bentley Continental GT Speed hits the Goodwood hillclimb (video)

The public debut of the new Bentley Continental GT speed saw Bentley’s fastest car hit the Goodwood hillclimb. We’ve just had a reveal of the new Bentley Continental GT Speed – the fastest Bentley in production – and as we predicted Bentley have taken the new GT Speed to Goodwood this weekend. And there’s not a lot of point, when your new car is the fastest you make, having a pretty, static display.

Porsche Cayman S Black Edition (2011) first pictures

Worried that Porsche's stripped-out Cayman R is a little too hardcore, but still want its power increase and don't want to pay extra for air-con? Then you want the latest special edition Porsche, the Cayman S Black Edition. Porsche Cayman S Black Edition: the performance mods Limited to 500 copies worldwide, the Black Edition features a range of minor tweaks beyond its dark paint, and top of the list is a tiny 9bhp increase to a Cayman R-matching 326bhp.

Infiniti confirms Q30 concept unveil in Frankfurt

Infiniti is to unveil the Q30 concept C-segment hatchback at next month's Frankfurt motor show. The Q30 concept, which has been previewed in a sketch, could be a pre-production version of the Etherea – first seen at the 2011 Geneva motor show –based on the same platform as the Mercedes-Benz A-Class. It's the carmaker's latest exploration into new premium segments and signifies an expansion of its product range as it moves to strengthen its global position.