BMW X5 E46 E39 E53 3.0d M57 Fuel Injector Injection Nozzle 7785984

BMW E53 M57 Fuel Injector 7785984 is an original injector nozzle designed for BMW diesel engines, ensuring precise diesel fuel dosing and stable engine operation. This component is the right choice for professional repair of the injection system in M57 engine models, where compliance with factory standards and a secure fit are crucial.

Specifications and technical data

• SKU: 7785984
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7785984
• Substitutable numbers: 13537785573, 7785573, 13537785984, 7785984, 13534701464, 4701464, KZ
• Fuel type: Diesel
• Category: Fuel Injectors

Technical Characteristics of BMW Injector

The presented BMW diesel fuel injector belongs to the Injector Nozzles category, meaning it is responsible for precise fuel atomization in the combustion chamber. The use of the correct nozzle is crucial for:

• maintaining smooth engine operation across the entire RPM range,
• stable starting of the diesel unit in various temperature conditions,
• optimal mixture combustion, which translates to operational smoothness and performance parameters,
• fuel consumption control while maintaining factory performance.

The injection system in diesel engines is particularly sensitive to component quality, which is why using an original BMW injector nozzle ensures compliance with the manufacturer's design specifications.

Application in M57 Diesel Engine

The BMW E53 M57 Fuel Injector 7785984 is designed to work with diesel units where precise control of diesel fuel dosage is essential. This type of injector:

• supports correct injection pressure in the common rail system,
• ensures the proper fuel spray pattern in the combustion chamber,
• reduces the risk of uneven idling and operation under load,
• facilitates diagnostics and servicing of the injection system due to compliance with factory parameters.

Selecting the correct injector nozzle directly impacts diesel engine durability, emission levels, and driving comfort, which is why it's advisable to use components that comply with OEM solutions when replacing them.

Condition, Origin, and Benefits of Using BMW Parts

The offered injector is an original BMW part in used condition, allowing for factory specifications to be combined with a more favorable repair cost compared to a new part. In practice, this means:

• maintaining factory fitment to the cylinder head bore and fuel system,
• compatibility with factory engine control without the need for installation modifications,
• potential for economical refurbishment or continued use in accordance with service procedures.

Choosing a used BMW injector is particularly beneficial for vehicles with intensive use, where a reasonable maintenance cost is important while maintaining correct engine operating parameters.

Diagnostics and Preventive Maintenance of the Injection System

When replacing an injector nozzle, it's worth paying attention to common symptoms of wear in diesel injection components, such as rough running, smoke, or power loss. For users who want to better understand the operation and typical problems with this component, we recommend the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. You will find practical information there on symptoms, consequences, and diagnostics of injector failures, which facilitates the decision to repair or replace.

BMW Injector Nozzles – Selecting the Right Part

If you are looking for other BMW injector nozzles compatible with a specific model or engine variant, please use our dedicated category: BMW injector nozzles. This will allow you to more easily compare available solutions, select the correct injector for your car, and optimize the fuel system repair process.