The 0445110-series part numbers seen on Actros MP4 injectors are Bosch CRI2 (Common Rail Injector, generation 2) — a 4-pin electromagnetic solenoid design that is fully interchangeable across the OM471 and OM473 engines. Workshops that have invested in a CR919 or CR1016 can test the entire 0445 family directly from the system database; smaller workshops running an EPS205 need only the standard pressure line and the Beijing system add-on for full data coverage.