BLLA 160 P 1650+

BOSCH INJECTOR NOZZLE: DLLA160P1650 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA160P1650
BOSCH MEC / Catalog Number: 0 433 172 012
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 289
- OEM / Vehicle Manufacturer: BMW
- Typical Applications (with HP / kW):
• BMW 118d / 120d / 320d (M47N2 / M47TU2 2.0 L Diesel) – 118 HP / 87 kW, 143 HP / 105 kW
• BMW 1-Series and 3-Series models with 2.0 L common-rail diesel engines

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: BMW 2.0 L diesel engines for passenger cars (1-Series, 3-Series).
Engine Type: Inline-4, 2.0 L Common Rail Diesel, Euro 4 / Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA160P1650 — precision multi-hole nozzle for high-pressure atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel
- Number of Holes: ~6–7
- Hole Diameter: ~0.160 mm
- Spray Angle: 160°
- Operating Pressure: 1600–1800 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized for smooth idle, precise fuel delivery, reduced emissions, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Clean the nozzle thoroughly (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Replace all O-rings, copper washers, and seals; do not reuse old parts.
3. Injector Mounting: Follow OEM torque and alignment specifications.
4. Post-Installation Testing: Perform leak-back or test-bench spray tests to verify proper spray pattern and ensure no leaks.
5. Calibration / Coding: Use BMW or BOSCH diagnostic tools if injector coding is required.
6. Fuel Quality Notes: Use clean, high-quality diesel; replace fuel filters during service.
7. Storage & Handling: Store nozzles in a dust-free, dry environment; protect tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, reduced power, excessive fuel return flow.