BMW X5 E70 LCI X6 E71 30dX Diesel N57 Set Fuel Pump Injector Injection System

The BMW X5 E70 LCI X6 E71 30dX N57 Injector Set is a complete set of components from the high-pressure fuel system, designed for the N57 engine in the X5 E70 LCI and X6 E71 30dX models. This product, categorized under Injector Nozzles, ensures precise fuel delivery and stable operation of the diesel engine under demanding conditions.

Specifications and technical data

• SKU: 7805428-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805428
• Substitutable numbers: 13537805423, 7805423, 0445216031, 0 445 216 031, 13537800124, 7800124, 13537805428, 7805428, 13518577654 7800123, 8577654, 13517800593, 7800593, 0445010617, 0 445 010 617, 13537808099 13537808100, 7808099 7808100, ŁS
• Fuel type: Diesel
• Category: Fuel Injectors

Intended Use and Compatibility

The injector set has been developed specifically for the N57 engine installed in the BMW X5 E70 LCI and BMW X6 E71 30dX versions. The design, based on OEM solutions, guarantees proper fitment with the factory fuel system, cylinder head, and engine control unit, resulting in predictable operating parameters and correct interaction with the vehicle's electronics.

The components included in the set are optimized for the characteristics of the diesel engine, allowing for the maintenance of appropriate rail pressure, correct fuel spray pattern, and even fuel supply to all cylinders.

Technical Characteristics of the Injection System

The presented set belongs to the Injector Nozzles category and is designed for Diesel fuel engines. The high-pressure injection system in the N57 engine requires precisely selected components to maintain:

• stable injection pressure across the full range of loads and engine speeds,
• accurate fuel metering during startup, acceleration, and steady-state operation,
• correct spray pattern in the combustion chamber, which reduces smoke and improves running smoothness,
• efficient mixture combustion, contributing to lower fuel consumption and reduced emissions.

By using components that comply with factory solutions, the set allows for the restoration of the injection system's operating parameters to near-factory levels, which is particularly important in modern diesel engines.

Condition, Origin, and Benefits of Use

The offered BMW injector set for N57 engine is a used part, sourced from a dismantled vehicle. OEM components like these are often chosen as an alternative to aftermarket parts because they retain the original vehicle manufacturer's specifications while optimizing repair or upgrade costs for the fuel system.

Using a complete injector set in place of worn-out components helps to mitigate common operational issues in diesel engines, such as rough idling, power loss, increased fuel consumption, or difficulties with starting on both warm and cold engines.

Why Choose This Injector Set

• Tailored for the N57 Engine – components designed to work with the 30dX unit in the BMW X5 E70 LCI and X6 E71.
• Original BMW Design – maintains factory operating parameters of the injection system.
• Comprehensive Component Replacement – allows for simultaneous refurbishment of the entire high-pressure fuel supply line.
• Supports Proper Diesel Operation – improves running smoothness, throttle response, and idle stability.

For users who want to better understand the symptoms of worn fuel system components, we recommend an article describing typical signs and consequences of neglect: diesel injector faults – how to recognize them and what are the consequences of neglecting them. This provides practical knowledge before deciding to replace the set.

Selecting Other BMW Injector Nozzles

If you are also looking for other components from the BMW injector nozzles category for other models of this brand, check out the BMW injector nozzles available in our store. This will allow you to select compatible components for various engine versions, maintaining fuel system consistency across the entire BMW vehicle range.