BMW E46 E60 530i M54 Petrol Fuel Injection Valve 1439800

The BMW E46 E60 530i M54 Fuel Injector is an original BMW gasoline injector nozzle, designed for precise fuel delivery in M54 engines. This part comes from a dismantled vehicle, allowing for an economical yet technically sound repair of your BMW's fuel system.

Specifications and technical data

• SKU: 1439800
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1439800
• Substitutable numbers: 13641439800, 1439800, 13537546245, 7546245
• Location on the vehicle: Rear
• Fuel type: Petrol
• Category: Fuel Injectors

Technical Characteristics of the BMW Injector

The presented BMW fuel injector for M54 engine belongs to the Injector Nozzles category and is designed for gasoline fuel systems. Its construction ensures stable fuel atomization and consistent flow rate, supporting smooth engine operation and proper mixture combustion.

This component has been specifically designed for BMW gasoline systems, ensuring correct flow parameters, spray pattern, and operating characteristics that align with the manufacturer's original specifications. Proper installation position on the vehicle allows for maintaining correct mounting geometry and system sealing.

Application and Role in the Fuel System

The BMW injector nozzle is responsible for precisely delivering fuel to the combustion chamber, which directly impacts:

• Stable engine operation across the entire RPM range, without jerking or misfires,
• Maintaining the correct fuel-air mixture, crucial for the performance and refinement of the M54 unit,
• Fuel consumption control and reduction of excessive smoke and improper exhaust emissions,
• Safe interaction with the engine control electronics, which require a repeatable injection characteristic.

Selecting the correct injector nozzle is particularly important in BMW gasoline engines, where the engine control unit is calibrated for a specific injection type. Using an original part from the same family ensures compatibility and predictable engine behavior.

Benefits of Using an Original Injector Nozzle

By choosing the BMW fuel injector for E46 / E60 530i M54, you gain a range of practical service benefits:

• Factory fitment for BMW fuel systems, without the need for installation modifications,
• Preservation of engine operating parameters in line with manufacturer's specifications,
• Economical repair option through the use of a used part with a proven design,
• Easier diagnostics – the engine control unit operates with a component of known characteristics, simplifying the interpretation of readings.

This solution is particularly recommended in situations where there are issues with uneven engine operation, increased fuel consumption, or injection system errors, and a single injector or a complete set needs replacement.

Professional Selection and Compatibility

To ensure full compatibility with your vehicle, it is advisable to verify the injector markings and compare them with your vehicle's data. The product has dedicated part numbers and interchangeable numbers, which facilitates matching it to a specific engine version and BMW model year. If in doubt, it is recommended to compare the part with the one currently installed in your vehicle or consult a mechanic specializing in the BMW brand.

If you are interested in other BMW injector nozzles, check the available variants in our assortment: BMW injector nozzles. This will allow you to easily compare different solutions in terms of application, fuel type, and engine configuration.

Diagnostics and Operation of the Injection System

A functional injection system is crucial for engine durability and driving comfort. Symptoms such as rough idling, power loss, or increased fuel consumption may indicate the need for injector verification. Although the presented part is for a gasoline engine, many principles of diagnostics and injector condition assessment are similar to those for diesel systems. You can read more about the symptoms and consequences of neglecting this area in the article: Diesel Injector Failures – How to Recognize Them and What Are the Consequences of Neglect.