Reliability Summary

Engine M57 — 78/100 BUY
Known Issues 7

Engine in this model

Known Issues Across All Engines

Issue Engine Severity Onset
Swirl flaps break and fall into the cylinders (early metal flaps, builds to about 2004) M57 critical —
Exhaust manifold cracks (TU/TU2) M57 moderate —
Turbo wear and variable-vane control faults M57 moderate —
Injector wear or sticking M57 moderate 100,000 km – 300,000 km
Intake manifold oil leak (TU, 2003-2010) M57 minor —
Crankshaft pulley vibration damper failure M57 minor —
EGR and intake soot, clogged crankcase breather, DPF loading on short trips M57 minor —