BMW F20 F30 F31 Diesel Injector Fuel Pump Injection System 125d 325d 7823461

BMW F20 F30 F31 Diesel Injector Fuel Pump Injection System 125d 325d is a fuel system component designed for BMW diesel engines, engineered for precise fuel metering and stable engine performance. Thanks to the original BMW design, this injector ensures proper diesel atomization parameters and correct compatibility with engine peripherals. It is a practical solution for owners of 125d and 325d models looking for a proven component from the Injector Nozzles category.

Specifications and technical data

• SKU: 7823461-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823461
• Substitutable numbers: 7823461, 13537823461, 13537800601, 7800601, 13537809128, 7809128, 0445214183, 13534740787, 4740787, 7797874, 0445010506, 13518597820, 8597820, 13518577653, 8577653, 13517823457, 7823457, 13537823462, 7823462
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function of the injector

The offered injector is a component of the diesel engine fuel system, responsible for precisely delivering fuel to the combustion chamber under high pressure. A properly functioning injector nozzle influences engine refinement, reduces smoke, ensures smooth acceleration, and maintains stable idle speed. In BMW F20, F30, and F31 series vehicles, it is crucial for maintaining factory power and torque specifications.

Benefits of using an original BMW injector

Using an injector from the BMW line ensures compatibility with factory engine control unit settings and the operating characteristics of the injection system. In practice, this means:

• better alignment with injection maps and engine operating strategies,
• stable cold and warm start parameters,
• smoother engine operation across the entire rev range,
• reduced risk of improper fuel atomization compared to generic replacements. For 125d and 325d owners, this means the ability to restore proper fuel system operation without modifying the engine structure.

Technical characteristics and compatibility

The injector belongs to the Injector Nozzles category and is designed for diesel-powered engines. The component's design is adapted to the operating parameters of BMW diesel units, where precise fuel metering at high operating pressure is required. The product has a dedicated OEM part number and associated interchangeable numbers, which facilitates the selection of the correct variant for a specific vehicle configuration. Before purchasing, it is recommended to compare the markings with service documentation or the existing component to confirm compatibility with the specific engine version and model year. This allows the injector to be used as a functional replacement within the same engine family.

Product condition and service application

The offered injector is a used component, making it an attractive option for repairs where a reasonable cost is important while maintaining the original BMW design. This type of component is suitable both for replacing a single faulty injector and for staged regeneration of the diesel fuel system. It can be used in independent service centers, workshops specializing in the BMW brand, and by knowledgeable users servicing their own vehicles.

Diagnostics and operation of the injection system

In case of diesel engine performance issues – such as uneven idle, power loss, or increased fuel consumption – the injectors are among the key elements to verify. To better understand the typical symptoms and effects of their wear, it is worth checking out our guide: diesel injector faults – symptoms, effects, and diagnostics. This will allow for a more accurate assessment of when replacing a single element, such as the presented injector, is justified.

Related components from the BMW Injector Nozzles group

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 additional injectors, fuel rails, or fuel return components, check out the available parts in the BMW Injector Nozzles category.