Piston rings are the seals in your cylinders, giving you better compression and power, but what happens if they wear or break? And how can you spot the signs?

BMW’s desire for a ‘sporty 3 Series’ in the mid-1980s gave rise to what has gone on to become one of the true greats of performance motoring.

Warming up your car every day in cold weather can prevent major mechanical issues. Here's why drivers should give their cars ...