BOSCH FUEL INJECTOR 0 445 120 346
Product description
BOSCH FUEL INJECTOR 0 445 120 346 – FULL SPECIFICATION
I. Key Identification & Compatible Components
BOSCH Number: 0445120346
Other Reference Numbers: 0 445 120 346
Vehicle / Engine Compatibility: Primarily BMW and Mini models with 2.0 L diesel engines (B47 / B47C series)
Injector Technology: Solenoid Common Rail Injector
Manufacturer: BOSCH / OEM approved
Typical Applications: BMW 120d, 218d, 220d, 318d, 320d, 420d, 518d, X1, X2, X3; Mini Cooper SD, Cooper SD Cabrio, Cooper SD Clubman, Cooper SD Countryman
II. Vehicle / Engine Application & Technical Data
Engine Type: 2.0 L diesel, inline-4, B47/B47C series
Model Years: 2014–2021 (varies by model)
Power Output: 100kW–155kW
Injector Type: Solenoid Common Rail with high-precision nozzle
Operating Pressure: Up to ~2000 bar (typical for CR systems)
Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
Performance Features: Precise fuel metering, optimized atomization, low emissions, improved combustion efficiency, stable idle, fuel economy
III. Critical Technician Notes (MUST-DO)
1. Installation: Handle carefully; avoid contamination or impact
2. Calibration / Coding: Required using BMW / Mini diagnostic tools after installation
3. Sealing Components: Replace all O-rings and washers during installation
4. Clean Installation: Absolute cleanliness is mandatory; micro-contamination may cause injector failure
5. System Verification: Perform leak-back test, rail pressure verification, and injector performance check
6. Storage & Handling: Keep in original packaging; avoid dust, moisture, and mechanical impact
7. Compatibility Notes: Only compatible with listed vehicle models and engine types; do not interchange
8. Aftermarket / Remanufacture Notes: Use OEM or high-quality aftermarket injectors for reliability
IV. Additional Notes & Technical Insights
- This is a standard solenoid CR injector with precise flow and atomization.
- Detailed flow-curve data and solenoid electrical characteristics are not publicly available.
- Compatibility should be confirmed with an authorized BMW / Mini service center before installation.
- Injector adaptation in the ECU is necessary after installation to avoid performance issues and system errors.
- Maintain a clean work environment and use verified sealing components to prevent fuel system failure.