BMW 1 3 5 SERIES E60 E81 E87 E90 LCI Pressure Hose Assy Fuel Pipe Petrol N43

BMW 1 3 5 SERIES E60 E81 E87 E90 LCI Pressure Hose Assy Fuel Pipe Petrol N43 is an original fuel system component designed for the N43 engine family. Thanks to its factory-spec geometry and precise fitment for the specific engine configuration, it ensures stable fuel delivery to the injectors and proper operation of the entire injection system, which translates into efficient engine performance.

Specifications and technical data

• SKU: 4561985
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4561985
• Substitutable numbers: N43 B16A, E90N E91 E91N E92 E92N E93 E93N, 13534561985, 4561985, 13537562479, 7562479
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function of the fuel pipe

The fuel pipe in this BMW model is responsible for the precise delivery of petrol to the injectors in the N43 engine. A correctly selected component of this class minimizes the risk of pressure drops, leaks, and fuel metering irregularities, which directly impacts the engine's smooth operation, fuel consumption, and exhaust emissions.

As part of the Lines, hoses, and pipes group, this component works with other fuel system elements to create a sealed and optimized path for petrol flow from the tank to the combustion chamber.

Compatibility with the N43 engine and BMW body styles

The offered pipe has been designed to work with the N43 petrol engine used in selected BMW 1 and 3 Series models. The design of the pipe accounts for the specific layout of the engine, accessories, and injectors, which facilitates installation and ensures proper routing of the fuel line within the engine bay.

Thanks to this solution, you gain:

• a secure fit for the N43 engine injection system,
• maintenance of the factory routing of the pipe in the engine bay,
• reduction of stress and vibrations acting on fuel connections.

Technical characteristics and fuel type

The pipe is prepared for operation in a petrol engine fuel system. The material and construction are adapted to the operating parameters of petrol and the typical pressures found in the injection systems of these units. Proper resistance to temperature, pressure, and fuel exposure helps maintain tightness and operational stability over a long service life.

Correct selection of the fuel pipe for the fuel type is crucial for safety and reliability – using a component intended for petrol in an N43 engine helps reduce the risk of leaks and incorrect fuel metering.

Part condition and service application

The offered BMW fuel pipe is a used component, making it an attractive solution for service repairs when you want to maintain the original design while optimizing costs. This type of part is particularly useful in situations where the existing pipe has suffered mechanical damage, external corrosion, or shows signs of leakage.

Replacing the fuel pipe is recommended, among other things, in the event of:

• detected fuel leaks near the injectors,
• damage resulting from interference with engine accessories,
• modernization or comprehensive repair of the petrol fuel system.

Support with selection and related content

If you are planning a more extensive fuel system repair or are looking for other elements in this group, it is worth checking the full offer in the lines, hoses, and pipes for fuel systems and more category. This will allow you to select a cohesive set of components and reduce service downtime.

When planning your repair budget, guide materials may also be helpful. It is worth reading the article on how to reduce repair costs using original used parts, which demonstrates a practical approach to vehicle servicing using proven components from the secondary market.