Read the news story and John's blog as it happened.
Henry Catchpole sneaks around the pits here.
BMW i8 (2014-2020) review – futuristic hybrid sports car now looks a bargain
Lotus Esprit (1976-1987) review – from James Bond's icon to the Esprit Turbo
The incoming BMW 3-series M350 will come with a straight-six and M3 power