B&m 70237 Automatic Transmission Kickdown Kit on 2040-parts.com

Citroen DS3 Airflow (DS3 Convertibe) in 2013

Citroen DS3 will get a Fiat 500-style folding roof and be called the DS3 AirFlow As regular readers can’t have failed to notice over the last year or so, the Citroen DS3 is one of our favourite cars. In fact so good is the DS3 we gave it our ‘Best Car when you have to pay for it yourself Award’ in our round-up of the best cars of 2010. For a car based on the dreary – if competent – Citroen C3, the DS3 is a revelation.

Wired for Speed: Enthusiasts turn to parts sites for aftermarket punch at affordable prices

You can get anything--literally anything--on the Internet. And for enthusiasts, this means that rare part is just a little bit easier to find. Ebay Motors says its listings of parts has increased dramatically in the last year, with inventory reaching about 13.9 million parts.

Top Gear Tonight: Alfa 8C Disco Volante, Mercedes G63 AMG 6×6, Caterhams & SAIRPC Jack Whitehall

Richard Hammond drives the Mercedes G 63 AMG 6×6 on tonight’s Top Gear Believe it or not, tonight’s episode of Top Gear – episode 3 of series 21 – see us already more than half way through the new series. So far we’ve had a bit of a poor opening episode, a cracking second episode with the McLaren P1 and Alfa 4C and a so-so third in the series with the seemingly fragile Zenvo ST1 and a road trip to the Ukraine in small hatches. But tonight’s  episode looks very promising with a bonkers SUV from Mercedes, a custom-built Alfa from Carrozzeria Touring Superleggera and a pair of Caterhams – one from each end of the Caterham range.