BMW E81 E82 E87 LCI F10 F11 Diesel 123d N47S 535d N57S Fuel Injector 7805430

BMW E81 E82 E87 LCI F10 F11 Diesel 123d N47S 535d N57S Fuel Injector is an original fuel injector designed for BMW diesel engines, engineered for precise diesel fuel delivery. This used OEM component allows for maintaining the factory performance parameters of the power unit, which translates into stable power, smooth operation, and fuel consumption control. It is a solution for users who want to restore the proper functioning of the fuel injection system without compromising on manufacturer-quality parts.

Specifications and technical data

• SKU: 7805430
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805430
• Substitutable numbers: 13537805430, 7805430, ŁS, 13537805431, 7805431, 13537812055, 7812055, 13537800600, 7800600
• Fuel type: Diesel
• Category: Other Engine Parts

Purpose and compatibility with BMW diesel engines

The presented fuel injector has been developed to work with Diesel units used in selected BMW 1 Series and 5 Series models. The component's design is adapted to the characteristics of the N47S and N57S engines, enabling the maintenance of proper injection pressure, correct fuel atomization, and stable operation across the full load range. As a result, this element can be used both in standard operation and in vehicles used under more demanding conditions.

Construction and function of the fuel injector

The injector plays a key role in the diesel engine's fuel supply system, responsible for precisely delivering the fuel dose to the combustion chamber. The original BMW design ensures:

• accurate fuel spray formation,
• repeatability of doses throughout the entire RPM range,
• stable operation at idle and under load.

Such operating parameters help maintain proper vehicle dynamics, reduce smoke emissions, and ensure compliance with factory engine control unit settings. Original manufacturing also facilitates integration with existing engine equipment.

Practical application and benefits of installation

Using an original injector in a BMW diesel engine allows for restoring the proper combustion process in situations where the existing component shows signs of wear, such as uneven operation, power loss, or increased fuel consumption. Installing this component is a way to:

• achieve stable engine operation without the need for system modifications,
• maintain compatibility with factory ECU software,
• reduce the risk of starting issues and cold-start problems.

For workshops and private users, this means a more predictable service process and the ability to utilize existing diagnostic infrastructure. The used OEM component is also an attractive cost-effective alternative to new aftermarket replacements of unknown origin.

Product characteristics and identification parameters

The injector belongs to the group of items classified as Other, which in practice means it is a specialized component linked to a specific engine and fuel system configuration. The product has assigned OEM part numbers and interchangeable numbers that allow for unambiguous identification in BMW catalogs and parts selection systems. Technical information such as SKU, brand, and condition is also available in the description, which facilitates verifying compatibility with your vehicle before purchase.

Condition, verification, and selection of the injector

The item is offered as a used fuel injector, which allows for an economical repair of the injection system while maintaining the manufacturer's original specifications. Before installation, a standard service procedure is recommended, including checking for leaks, operating parameters, and – if necessary – adaptation in the engine control unit according to BMW procedures. When selecting an injector, it is worth using the OEM part number, interchangeable numbers, and fuel type designation to ensure full compatibility with the specific engine version.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as injectors, fuel lines, or fuel system components, check the available parts in the Other BMW category.

For users interested in comparing solutions used in different brands and engine versions, including sports variants, an article discussing the differences in the construction of power units and equipment may be helpful – more information can be found in the post Audi RS vs other models – what is hidden under the hood and chassis?.