Part Number: 0445115048N (Bosch reference: 0 445 115 048)
Manufacturer: Bosch (Germany) – OEM supplier for BMW
System Type: Common Rail (CR) – Piezoelectric injector
Fuel Type: Diesel
Engine Applications:
BMW 2.0d and 3.0d diesel engines (depending on model year and ECU calibration)
Found in models such as BMW 320d, 520d, X3, X5 with piezo CR systems
Function:
Piezo actuator allows multiple injections per cycle (pilot, main, post)
Provides ultra‑precise fuel atomization at pressures up to ~1800 bar
Improves combustion efficiency, reduces noise, and lowers emissions
The 0445115048N Injector is a Bosch OEM common rail (CR) diesel injector with piezoelectric technology, designed for BMW engines. It belongs to Bosch’s advanced piezo injector line, which offers ultra‑fast response and precise fuel metering compared to traditional solenoid injectors.
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