0445110212 — Symptoms & Failure Modes
Common symptoms and verified failure modes of a failing Bosch 0445110212 2.0d/3.0d (M47/M57) Common Rail Injector (BMW).
Rough idle / vibration · high
A leaking injector unbalances cylinder fuelling on the BMW 2.0d/3.0d.
Hard starting · high
Excess back-leakage drops cranking rail pressure.
Loss of power / limp mode · high
Out-of-range delivery or rail-pressure deviation triggers derate.
Black smoke · medium
Poor atomisation over-fuels the cylinder.
Engine management light · medium
Cylinder-specific injector or fuel-metering codes.