Pressure Hose BMW E81 E87N E90 E90N E91 E92 F20 F30 Fuel Rail Dielsel N47

Pressure Hose BMW E81 E87N E90 E90N E91 E92 F20 F30 Fuel Rail Dielsel N47 is an original fuel system component designed for BMW N47 diesel engines. This specialized fuel line ensures stable diesel fuel delivery and safe operation of the entire injection system, maintaining the manufacturer's factory standards. Thanks to its precise fit for specific generations of the BMW 1 Series, 3 Series, and related models, this part allows for precise, trouble-free replacement of a worn-out component.

Specifications and technical data

• SKU: 7798449
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 13537798449
• Substitutable numbers: 13537798449, 7798449
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The presented fuel hose is a component in the Lines, hoses, and pipes category, responsible for transporting fuel in diesel engines. Its task is to provide a leak-proof and pressure-resistant connection between individual fuel system components, which translates into proper fuel dosing and stable operation of the N47 unit.

Thanks to a design consistent with factory BMW solutions, the line maintains the correct routing shape, minimizes the risk of vibrations and leaks, and supports the smooth operation of the injectors. This is particularly important in modern diesel units, where the precision of fuel delivery has a direct impact on engine refinement, performance, and fuel consumption.

Compatibility with BMW models

The hose has been designed for popular BMW models, such as the E81, E87N, E90, E90N, E91, E92, F20, and F30 equipped with the N47 engine. This means that the geometry, connection diameters, and mounting method are adapted to the factory mounting points in these chassis.

Such a fit allows for:

• maintaining the original routing of the line in the engine bay,
• proper positioning relative to other components,
• reducing stress and the risk of abrasion during operation.

As a result, the part is suitable both for standard replacement of a worn line and for more extensive service work related to the fuel system in BMW diesel engines.

Technical characteristics and benefits of use

As an original BMW part, the fuel line is made of materials resistant to diesel fuel, temperature changes, and the operating pressure typical of modern injection systems. The design of the line is optimized for:

• tightness of connections with other system components,
• resistance to vibrations generated by the engine unit,
• maintaining stable fuel flow under variable engine loads.

A properly selected and functional fuel line helps reduce the risk of leaks, pressure drops, and problems with starting or uneven operation of the N47 unit. It is a practical solution for users who want to maintain the factory operating characteristics of the diesel engine and avoid problems resulting from the use of unsuitable replacements.

Part condition and service application

The offered item is a used part, which allows for economical repair of the fuel system while maintaining the original manufacturer's specifications. This is a good solution for drivers looking for a reasonable compromise between cost and quality, especially in the case of older generations of the BMW 1 and 3 Series.

The line can be used both for standard replacement of a damaged component and for comprehensive service work related to the fuel system in diesel engines. If necessary, it is also worth considering the selection of other elements from the lines and pipes group, available in the Lines, hoses, and pipes{data-blogs=category} category, to restore the full efficiency of the entire system during a single service visit.

Why choose an original BMW line

Choosing an original BMW fuel line primarily means certainty of fit for a specific diesel engine and compliance with the factory requirements of the injection system. The correct geometry, proper diameters, and compatibility with mounts in E and F series chassis translate into efficient installation and predictable behavior during operation.

If you want to better understand how to reasonably use the used parts market and how to select such elements for your car, the following guide will be helpful: Used parts – Your guide to the best offers in the automotive store. This will make it easier for you to assess when using an original used part is a practical and safe solution for your BMW with an N47 engine.