In our tests, we've found that in some cars a manual transmission can improve gas mileage by a significant 2 to 5 mpg, ...

One of the main benefits of driving a vehicle with a manual transmission is increased fuel economy. But how exactly does a manual gearbox make your car more efficient? Some of the factors involved are ...

In recent N55 and S55 BMW engines, a spun crank hub is a relatively common issue, and it's often caused by downshifts that ...