Buying a BMW, whether it is a used 3 Series, a rare 1M, or a new electric iX, demands more scrutiny than a typical used-car purchase. I want to walk through 15 specific checks that protect you from ...

Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of diagnostic clues if you know where to look. I focus on four of the most common ...

Heavy duty diesel engines are designed for long hours and extreme loads, but even the toughest systems fail without early ...