Which 5 Series BMWs Are The Most Reliable? Clearly Explained By Engine Type
Image: BMW B58 engine for sale at mtautoparts.com Ask BMW owners which 5 Series is the most reliable, and the answers quickly start to conflict. Some swear by diesels, others won’t touch anything without petrol, and plenty will tell you reliability depends on luck when buying a used BMW. Most commonly, it all depends on something far more specific: the engine design. Across the E60, F10 and G30 generations, BMW used very different engines under the same 5 Series badge. Some have proven remarkably durable in everyday use. Others demand far more care and cost as the miles add up. This guide looks at reliability where it actually lives: engine by engine, not brochure labels. Why the Engine Matters More Than the Model Year BMW evolves engines over long production cycles. The same engine can appear across multiple generations, while a single generation can contain both excellent and problematic units. That’s why judging reliability by age or facelift alone often misses the point. Two ...