BMW 3 5 E90 E92 F10 N54 N63 335i 550i Fuel Injection Injector Nozzle 7585261

BMW E90 F10 N54 N63 335i 550i Injector 7585261 is an original BMW gasoline injector nozzle, designed for N54 and N63 engines used in models such as the 335i and 550i. This component ensures precise fuel delivery, which translates to stable engine operation and correct power characteristics.

Specifications and technical data

• SKU: 7585261
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7585261
• Substitutable numbers: 13538616079, 8616079, 13537625714, 7625714, 13537537317, 7537317, 13537585261, 13537565138
• Fuel type: Petrol
• Category: Fuel Injectors

Application and Technical Characteristics

The presented injector nozzle belongs to the Injector Nozzles category and is dedicated to turbocharged BMW gasoline engines. The injector's design is optimized for high-power density units, where precise fuel spray formation and consistent dosing across the entire load range are crucial.

The injector works with the gasoline fuel system, ensuring:

• stable injection pressure under typical operating conditions for N54 and N63 engines,
• precise fuel atomization in the combustion chamber, promoting even mixture combustion,
• correct response to load during dynamic driving and constant speed cruising.

Benefits of Using an Original BMW Injector Nozzle

Using an original injector in a BMW gasoline engine allows you to maintain the unit's operating parameters in line with the manufacturer's specifications. In practice, this means:

• improved engine smoothness – reduced vibrations and uneven idling,
• stable performance – maintaining factory power and torque characteristics,
• fuel consumption control – correct dosing contributes to predictable fuel economy,
• reduced risk of engine control unit errors related to incorrect fuel dosage or poor atomization.

Due to its specific fit for the engine family, the injector works with the factory control unit without the need for software modifications, simplifying servicing and diagnostics.

Item Condition and Installation Aspects

The offered BMW injector nozzle is a used part, which is a cost-effective solution for users seeking technically sound components at a reasonable price. Such parts are often chosen for routine repairs where maintaining compliance with factory specifications is essential.

Before installation, it is recommended to:

• verify the fuel system's seal and the condition of the injector seats,
• use new seals in accordance with the manufacturer's recommendations,
• adapt the injector in the engine control unit if the service procedure for the specific model requires it.

A correctly installed injector nozzle helps reduce the risk of fuel leaks, fuel rail pressure drops, and problems with starting a warm or cold engine.

Diagnostics and Preventive Maintenance of the Injection System

In case of engine operation issues – such as jerking, power loss, increased fuel consumption, or mixture-related error codes – injectors are one of the key components to check. Regular diagnostics of the injection system's operating parameters allow for early detection of irregularities and prevention of more serious engine damage.

Although the presented component is for a gasoline engine, many diagnostic principles for injectors are similar to those for diesel systems. If you want to better understand the symptoms of wear and the consequences of neglect, it is worth reading the article describing diesel injector faults – symptoms and consequences of neglect, which clarifies knowledge about the operation of precise fuel system components.

Other BMW Injector Nozzles

If you are also looking for other BMW injector nozzles suitable for different models and engine variants, check out our BMW injector nozzles category, where you will find a wide selection of original components for this brand's fuel systems.