13537823462 vs 0445117030
How the 13537823462 (Bosch) relates to 0445117030 — Bosch equivalent number..
13537823462
Bosch · Piezo · Common Rail
Bosch CRI3 piezo common-rail injector (Bosch 0445117030) for the BMW N57 3.0-litre six-cylinder diesel, BMW OE 13537823462 (interchangeable 13537823461). Used on the higher-output N57D30B variants (535d/640d/740d/X5/X6). This is the PIEZO N57 injector and is distinct from the earlier solenoid N47/N57 injector (Bosch 0445110xxx) - always confirm the injector body number. Each injector carries a calibration (volume + voltage) code written per cylinder via BMW ISTA. Failures are driven by poor fuel filtration, contamination and back-leakage wear. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Piezo stack / internal wear; Water-in-fuel corrosion; Nozzle coking.