Purpose and Compatibility

The presented injector for N57 engine is a factory BMW component, used in diesel units installed in, among others, E90, E92 LCI, F30, F10, and F01 body styles. By adhering to OEM standards, it ensures proper operating parameters of the injection system, consistent with the vehicle manufacturer's specifications.

The component comes from the Injector Nozzles group, meaning it is responsible for precise fuel metering into the combustion chamber. A correctly selected injector is crucial for maintaining stable engine operation, proper starting, and reducing smoke and power loss.

Technical and Functional Characteristics

The BMW injector for the N57 engine has been designed as a component of a high-pressure injection system where precise fuel atomization and dose repeatability are key. The OEM design ensures:

Correct injection pressure adjusted to the BMW engine control unit maps.

Appropriate fuel spray pattern, promoting efficient mixture combustion.

Stable idle operation and under load, maintaining the smooth running typical of N57 units.

Compatibility with factory equipment and engine control unit software.

Thanks to this, using an original injector nozzle helps reduce the risk of problems such as uneven running, jerking, increased fuel consumption, or excessive exhaust emissions.

Practical Application and Benefits of Installation

Replacing a worn injector with an original BMW component from the Injector Nozzles category is a solution that restores correct engine operating parameters without the need for a costly investment in a new part. A used OEM component is particularly attractive in situations where:

Symptoms typical of injector wear are present, such as difficult starting, knocking, smoking, or power loss.

The N57 engine runs unevenly at idle or under load.

Computer diagnostics indicate irregularities in the operation of a specific cylinder related to fuel delivery.

Using an original BMW injector helps maintain the integrity of the entire fuel system, which is important for both the durability of the powertrain and for subsequent service diagnostics.

Product Condition and Installation Aspects

The offered injector is a used component, which allows for reduced repair costs while maintaining original manufacturer specifications. Before installation, standard service procedures are recommended, such as verifying the fuel system's tightness, checking injector seats, and using new seals according to the BMW service procedure.

When installing in an N57 engine, correct injector coding in the engine control unit (according to the manufacturer's procedure) is also important to ensure proper fuel doses and avoid adaptation errors. Installation in a specialized service center with appropriate diagnostic software is recommended.

Diagnostics and Technical Knowledge

Before deciding to replace the component, it is worth familiarizing yourself with typical damage symptoms and verification methods. Detailed information on symptoms, consequences of neglect, and diagnostic methods can be found in the article: Diesel Injector Failures – How to Recognize Them and What Are the Consequences of Neglect. This is a practical source of knowledge that will facilitate an informed service decision.

Related Products and BMW Injector Nozzles Offer

If you are looking for other components from the BMW injector nozzles category for your car, check out our dedicated offer: BMW injector nozzles. There you will find a wide selection of original components for various models and engine versions of this brand, making it easier to select the right part for a specific chassis number and vehicle configuration.

BMW 3 5 7 E90 E91 E92 LCI F30 F10 F01 N57 Pressure Hose Assy Pipe Fuel Injector

Specifications and technical data