BMW N57 3.0 Diesel Engine Problems: Timing Chain, Injector & EGR Failures Explained (UK)

The BMW N57 engine can fail catastrophically before 100,000 miles — and many owners only discover the problem when a rattle on cold start becomes a snapped timing chain or a coolant leak turns into an engine fire risk. If you drive a 330d, 530d, X3, X5, or any BMW with the 3.0-litre straight-six diesel, […]