BMW F06 LCI F10 Pressure Hose Set Fuel Injector Pipe Line Assy N57 Diesel

BMW F06 LCI F10 Injector Pressure Line Set N57 Diesel is an original set of fuel system components designed for BMW N57 diesel engines. The set ensures stable high-pressure fuel delivery, which translates to precise diesel fuel dosing and proper injector operation. This solution is dedicated to users expecting factory fitment and guaranteed compatibility with their engine.

Specifications and technical data

• SKU: 7797886-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797886
• Substitutable numbers: 13537797886, 7797886, 13537797885, 7797885, 13537823483, 7823483, 13537823484, 7823484
• Fuel type: Diesel
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The presented set of lines belongs to the Lines, Hoses, and Tubes category and is responsible for transporting high-pressure fuel between the common rail and the injectors in a diesel engine. In N57 units, the proper condition of pressure lines is crucial for:

• maintaining stable fuel rail pressure,
• ensuring even operation of all cylinders,
• reducing the risk of leaks and power loss,
• preserving the proper operation of a diesel engine.

A correctly selected set of lines allows for maintaining the injection system's operating parameters in line with the manufacturer's specifications, which is important for both the performance and durability of the engine.

Compatibility with N57 Diesel Engine

The system is designed for BMW Diesel engines of the N57 family, used in models such as the 5 Series F10 and 6 Series F06 LCI. The construction of the lines is adapted to the high operating pressures typical of modern common rail systems, and their geometry corresponds to the factory routing in the engine bay. This ensures an organized installation, maintaining the correct positioning relative to the cylinder head, fuel rail, and accessories. Using a dedicated set minimizes the risk of stress, rubbing against other components, and improper connection to the injectors.

Characteristics of an Original BMW Part

The pressure line set comes from the BMW line, which means adherence to the vehicle manufacturer's quality standards. This includes:

• precise fitment of threads and connectors to factory injectors and fuel rail,
• appropriately selected internal diameters for fuel flow,
• use of materials resistant to the pressure and temperature typical for diesel engines,
• compatibility with factory brackets and guides in the engine bay.

Original origin translates to stable injection system operating parameters and reduces the risk of problems related to leaks or improper fitment that can occur with non-original parts.

Condition, Installation, and Service Application

The item is offered as a used part, making it an attractive cost-effective alternative while maintaining factory specifications. This type of line set is particularly suitable for situations where:

• replacement of damaged or corroded pressure lines is necessary,
• leaks occur around the injectors or the common rail,
• the fuel system in an N57 engine is being repaired or upgraded.

Installation should be performed by someone experienced with diesel high-pressure systems, following manufacturer procedures, appropriate torque specifications, and fuel system bleeding procedures.

Benefits of Using a Dedicated Line Set

Using a complete set of pressure lines in an N57 engine offers a range of practical service and operational benefits:

• System Cohesion – all lines come from a single configuration, simplifying installation and diagnostics.
• Reduced Risk of Leaks – proper fitment of connectors and line routing reduces the likelihood of leaks.
• Stable Injector Operation – correct pressure and fuel flow contribute to smooth engine operation.
• Better Repair Cost Control – a used, original set allows for savings while maintaining BMW specifications.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as fuel lines, return hoses, or supply tubes, check the available parts in the BMW Lines, Hoses, and Tubes category.

For drivers interested in further improving ergonomics and driving experience, including changing the steering wheel to a sport or premium model, the guide article Personalization and Ergonomics – When is it Worth Replacing the Steering Wheel with a Premium Model?, which discusses the practical aspects of such a modification, may be helpful.