BMW E81 E87 LCI E90 F20 F30 N47N Fuel Pump Injector Injection System Set 7798446

BMW E81 E87 LCI E90 E91 F20 F30 N47N Injector System Kit 7798446 is a complete component from the Injector Nozzles category, designed for BMW diesel engines from the N47N family. The product is suitable for users looking for a proven, original solution for their diesel engine fuel system.

Specifications and technical data

• SKU: 7798446-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798446
• Substitutable numbers: 7798446, 13537798446, 7823452, 0 445 010 51, 044501051, 781078602, 140892-10, 0445110601, 7 809 127 05, 780912705, 0445 214 182, 0445214182
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The presented injector system kit has been specifically designed for BMW 1 Series, 3 Series models and their variants, compatible with the N47N unit powered by Diesel fuel. The design based on factory BMW solutions ensures proper injection operating parameters, adequate pressure, and precise fuel metering across the entire load range.

The component belongs to the Injector Nozzles category, meaning it is responsible for a crucial stage of the combustion process – fuel atomization in the combustion chamber. A correctly selected injector set influences engine running smoothness, stable idle, proper dynamics, and reduced smoke and noise.

Benefits of Using an Original BMW Injector Kit

Using an original BMW solution for the injector system brings a number of practical benefits:

• Compatibility with the N47N Unit – tailored to the characteristics of the diesel engine, without the need for installation modifications.
• Stable Fuel System Operation – proper fuel metering promotes smooth operation at idle and under load.
• Combustion Optimization – the correct fuel spray pattern helps reduce fuel consumption and exhaust emissions.
• Integration with Vehicle Electronics – the injector system works with the factory engine control unit, facilitating diagnostics and adaptation.

Product Condition and Practical Application

The offered BMW injector system kit comes from the used parts segment, allowing for economical repair or upgrade of the diesel fuel system while maintaining the factory design. This solution is particularly beneficial for:

• refurbishing or replacing damaged injectors in N47N engines,
• restoring proper engine operation after experiencing starting problems, jerking, or power loss,
• workshops specializing in BMW that require original components for professional repairs.

By maintaining the factory specifications, the kit allows engine operating parameters to be kept at the level intended by the manufacturer, which is important for both engine durability and driving comfort.

Diagnostics and Prevention for Diesel Injector Systems

The injector system in a diesel engine is particularly sensitive to fuel quality and regular servicing. Symptoms such as difficult starting, increased smoke, uneven cold running, or power loss may indicate injector wear or damage. In such cases, it is worth seeking expert knowledge – practical information on this topic can be found in the article “Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails”, which discusses symptoms, consequences, and diagnostic methods.

Other BMW Injector Nozzles and Fuel System Development

If you are also looking for other BMW injector nozzles for different models or engine configurations, check out our dedicated category BMW Injector Nozzles, where you will find a wide selection of original and used solutions for vehicles of this brand.