BMW F01 LCI F10 530d 730d Diesel N57N Set Injector Fuel Pump Injection System

BMW F01 LCI F10 530d 730d Diesel N57N Set Injector Fuel Pump Injection System is a complete set of fuel system components designed for BMW N57N diesel engines, used in the 5 and 7 series, among others. The set belongs to the Injector nozzles group, making it a cohesive service solution for the common rail system in diesel vehicles. It is a practical choice for workshops and users looking for a factory-matched, used injection set.

Specifications and technical data

• SKU: 7823395
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823395
• Substitutable numbers: 13537823395 13537810702 0445110382, 7823395 7810702, 0 445 110 382, 13518597821 7823463 0445010634, 8597821, 0 445 010 634, 13537805423 0445216036, 7805423, 0 445 216 036, 13518573162 13518573160, 13517823467 13537800124, 8573162 8573160, 7823467 780012
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and compatibility with the N57N engine

The presented injection set has been developed for N57N power units installed in BMW F01 LCI, F10 530d, and 730d models. This ensures the maintenance of the correct operating characteristics for the diesel engine, including appropriate injection pressure, opening times, and fuel dosage stability. As a result, the fuel system can operate in a predictable manner, which helps maintain engine refinement, reduce smoke, and improve throttle response.

Characteristics of the Diesel injection system

As a component designed for Diesel engines, the injection set is responsible for the precise dosing of fuel into the combustion chambers at high operating pressures. In practice, this translates into:

• stable atomization of diesel fuel in the cylinder,
• better utilization of the fuel's chemical energy,
• reduction of unwanted vibrations and rough idling,
• maintenance of correct combustion parameters across the full load range.

A properly selected set from the Injector nozzles group is crucial for engine longevity, exhaust emission levels, and operating economy.

Benefits of using an original BMW set

Using an injection set dedicated to specific BMW models allows for the preservation of the manufacturer's factory design specifications. This means, among other things, proper matching with the engine control unit, injection maps, and common rail system operating parameters. For the user and the workshop, this translates into:

• easier diagnostics and injector adaptation during service,
• maintenance of predictable cold and warm start parameters,
• lower risk of issues with injection corrections and ECU errors,
• consistency with other components of the BMW fuel system.

A used injection set can be an attractive cost-effective solution, especially during a comprehensive repair of an N57N unit, where replacing the entire set is often more rational than sourcing individual components from different origins.

Service application and diagnostics

A complete injection set is particularly useful in situations where the vehicle exhibits symptoms typical of injection component wear, such as rough idling, power loss, increased fuel consumption, or starting difficulties. In such cases, replacing the entire set allows for:

• standardization of operating parameters across all cylinders,
• reduction of time-consuming testing with individual components,
• a more predictable repair outcome in the long term.

To better understand the symptoms of wear and the risks associated with neglecting the injection system, it is worth reading the article Diesel injector faults – how to recognize them and the risks of neglecting them, which discusses typical symptoms, consequences, and basic diagnostic methods.

Selection by OEM number and parameters

When selecting an injection set for a specific BMW vehicle, it is crucial to verify compatibility using the OEM number and interchangeable numbers, as well as vehicle data (model, year, engine type). If in doubt, it is worth using the practical guide how to select the right car part by VIN and OEM number, which explains step-by-step how to safely match used components to a specific car.

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other elements from the same group, such as injectors, nozzles, or complete injection sets, check the available parts in the BMW Injector nozzles category.