I f there's one thing BMW knows how to do better than anyone else, it's producing exceptional inline-six engines. For over a ...

Like all modern-day BMW turbo-diesel engines, the 118d doesn’t sound rough or rattly. It sounds smooth and refined, and could quite easily be mistaken for a petrol unit. In fact, we had a few ...

But within three years, the straight-six's long-loved naturally aspirated configuration would be extinct, the last vehicles using it having been updated or axed and taking the non-turbo ...