BMW E93 LCI Fuel Feed Supply Line Hose Tube Pipe N57D30A 3.0 Diesel 7799992

BMW E93 LCI Fuel Feed Supply Line Hose Tube Pipe N57D30A 3.0 Diesel is an original fuel system component designed for the N57D30A diesel engine in the E93 LCI body style. Thanks to its factory-spec fitment, it ensures stable diesel fuel supply to the engine and proper integration with other fuel injection system components. This is a practical solution for users who want to restore proper engine operation without experimenting with random aftermarket replacements.

Specifications and technical data

• SKU: 7799992-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7799992
• Substitutable numbers: 13537799992, 7799992
• Fuel type: Diesel
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function of the fuel line

The fuel feed line in this BMW model is responsible for the controlled transport of diesel fuel from the supply system to the components responsible for injection in the N57D30A engine. A correctly selected line is crucial for:

• maintaining proper fuel pressure in the system,
• stable operation of the 3.0 diesel unit,
• reducing the risk of leaks and power loss,
• maintaining factory engine performance parameters. The appropriate geometry and diameter of the line ensure that this component works with the fuel system without the need for modifications, which is particularly important in modern diesel engines.

Benefits of using an original BMW line

Using a fuel feed line from the same BMW model line allows for maintaining the structural integrity of the fuel system. In practice, this means:

• factory fitment for the N57D30A engine in the E93 LCI,
• no need to modify mounts or line routing,
• maintaining compatibility with diesel engine operating parameters,
• easier diagnostics and future servicing. This solution is particularly beneficial for users who expect predictable installation and want to avoid problems typical of imprecise aftermarket replacements.

Component condition and installation aspects

The fuel line comes from a vehicle dismantling, which allows you to combine original manufacturing quality with an attractive price compared to a new component. A part of this type, when installed correctly, can continue to perform its task in the diesel engine supply system, ensuring tightness and stable fuel flow. When replacing the fuel feed line, it is recommended to:

• check the condition of other line and hose sections in the system,
• inspect the mounting points and line routing,
• use appropriate tools to avoid damaging the connectors and fittings. Thanks to the preservation of the factory geometry of the line, the installation process is predictable and can be performed in accordance with service procedures for the specific BMW model.

Compatibility with the N57D30A diesel engine

The N57D30A engine is a modern diesel unit where the fuel system operates under high load. Using the correct fuel feed line has a direct impact on:

• operational stability across the full load range,
• correct fuel dosing by the injection system,
• reducing the risk of air locks or pressure drops. Selecting a component dedicated to the specific E93 LCI body configuration and 3.0 diesel engine allows you to maintain the integrity of the entire supply system, which is important for both performance and the durability of the power unit.

Ecology and choosing a used fuel line

By choosing a used fuel feed line, you support waste reduction and the reuse of functional components. This is a solution that is beneficial not only economically but also from an environmental perspective. If you want to better understand how reusing original parts affects the carbon footprint, see the article Sustainable automotive and the environmental impact of used parts. If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other components from the same group, such as additional lines, hoses, or supply pipes, check the available parts in the category BMW lines, hoses, and pipes.