13537808089 — Symptoms & Failure Modes
Common symptoms and verified failure modes of a failing Bosch 13537808089 (0445110131) BMW M57 3.0d Common Rail Injector.
Misfire and rough running · high
A weak or leaking injector under/over-fuels its cylinder.
Black smoke · medium
Poor atomisation from a worn or coked nozzle.
Hard starting · high
Back-leakage lowers cranking rail pressure.
Loss of power / poor performance · medium
Rail-pressure or injector-correction faults trigger ECU derate.
Check-engine light with injector or rail-pressure codes · medium
Cylinder-specific injector or pressure DTCs.
Increased fuel consumption / diesel knock · medium
Incorrect delivery quantity or timing.