Description
BMW 1 3 5 X3 Series 3 E46 E60 E87 E90 M47N2 M57N Diesel Fuel Injector is an original fuel system component designed for BMW 1, 3, 5, and X3 series models. Thanks to precise diesel fuel dosing, it ensures stable engine operation, proper performance, and predictable throttle response, which is important for both daily driving and more dynamic use.
Specifications and technical data
- SKU: 7793836-3
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7793836
- Substitutable numbers: 13537793836, 7793836, 1353779009313537794334, 77900937794334, 120d320d520d, EM
- Fuel type: Diesel
- Category: Other Engine Parts
Purpose and compatibility
The presented BMW 1 3 5 X3 Series 3 E46 E60 E87 E90 M47N2 M57N Diesel Fuel Injector has been designed for M47N2 and M57N diesel engines used in popular BMW 1, 3, 5, and X3 series models. The component’s design is adapted to the operating characteristics of common rail engines, which allows for maintaining proper injection parameters, uniform combustion, and appropriate performance at idle and under load.
By using an original BMW solution, full geometric compatibility with the cylinder head seat and factory engine equipment is maintained, which facilitates installation and reduces the risk of leaks in the fuel system.
Construction and technical characteristics
The injector operates in the diesel engine (fuel type: Diesel) fuel system, where precise fuel dosing under high pressure is crucial. The technology used enables multi-phase injection in a single cylinder cycle, which translates into better combustion and reduced vibration and noise of the engine.
The element was designed as part of the BMW common rail system, with appropriately selected flow characteristics and opening times to work with the factory engine control unit. This makes it possible to maintain correct operating parameters, such as fuel dose, rail pressure, and injection corrections.
Condition, service application, and benefits of installation
The offered injector is a used component, which allows for economical repair of the fuel system while maintaining the original BMW specification. This solution is particularly beneficial in situations where it is necessary to replace a single injector or several units as part of comprehensive engine service.
Choosing the right injector has a direct impact on:
- ease of starting the engine when cold and warm,
- idle speed stability,
- response to pressing the accelerator pedal,
- exhaust smoke level and overall engine performance.
Using an original BMW component reduces the risk of injection adaptation problems, engine control unit errors, and fuel system leaks, which is particularly important in modern diesel engines.
Support with selection and technical knowledge expansion
When selecting an injector for a specific BMW vehicle, it is worth paying attention to the engine type, vehicle year, and fuel system configuration to ensure full compatibility with the factory controller. For extensive projects, performance comparisons, or analysis of differences between engine versions, an article describing the characteristics of higher-power units may be helpful – a detailed discussion can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the relationships between the fuel system, brakes, and chassis in high-performance cars.
If you are also interested in the economic and environmental aspects of using aftermarket parts, it is worth reading the guide Eco-driving: discover the benefits of used car parts, which discusses the advantages of using used components in the context of service costs and reducing the carbon footprint.
Related BMW fuel system components
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, common rail components, or fuel system accessories, check the available parts in the Other BMW category.
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