The theory of revolution

So much smarter than it looks ► Rapidly-reducing ...

WE’VE PREVIOUSLY TESTED THE increasingly popular 235/35 R19 on front-drive cars, but this year our test car is a BMW 135i xDrive, a predominantly rear-drive car that goes four-wheel drive when require

£54,995 OTR/£55,540 as tested/£970 pcm WHY IT’S HERE: Because it’s quite simply the only purely electric sports car in the world (for now...) DRIVER: OLLIE KEW A FACT FOR YOUR ULTIMATE CAR nerd file:

THE HEART OF Joy control system in all future BMWs models will allow for an even broader range of performance – but the firm’s driving dynamics chief says that it is BMW’s extensive experience of phys

VEHICLE TO GRID, OR V2G TO ITS MANY fans, has been around as an idea forever even if it’s only just becoming reality. In effect it time shifts and location shifts power generation. Because it saves th

In the generation revision before this one, Zipp touted the benefits of its Total System Efficiency approach to wheel design. The idea is that it attempts to balance the various factors influencing sp