Intake Hose BMW E81 E87 LCI N47 Charge Air Line Pipe Duct Turbo 7797481

Description

Visual condition of the part

The product shows signs of use visible in the photos.

Intake Hose BMW E81 E87 LCI N47 Charge Air Line Pipe Duct Turbo is an original intake system component from the Lines, Hoses and Pipes category, designed for the N47 engine in LCI versions of the 1 Series. This used OEM part ensures a factory fit, stable airflow to the intercooler, and predictable turbocharger system performance during daily operation.

Specifications and technical data

• SKU: 7797481-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 11617797481
• Substitutable numbers: 11617797481, 7797481
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The intercooler hose in BMW E81 and E87 LCI models with the N47 engine is responsible for directing compressed air between the turbocharger, intercooler, and intake manifold. A correctly selected component:

• maintains the tightness of the turbocharging system under high operating pressure,
• reduces pressure drops, supporting stable turbocharger operation,
• ensures proper airflow of air cooled in the intercooler,
• minimizes the risk of power loss resulting from leaks or cracks.

By using an original hose, the factory air routing geometry is preserved, which translates into predictable engine performance parameters and proper interaction with the control electronics.

Construction and fitment for BMW E81 E87 LCI N47

The offered intercooler hose has been designed specifically for the intake system with the N47 engine in the facelifted E81/E87 body. This means:

• factory mounting points matched to standard brackets and clamps,
• appropriately selected diameter and shape ensuring proper airflow,
• compatibility with the stock intercooler and other intake components.

Such a solution facilitates installation and limits the need for modifications, which is particularly important when servicing vehicles equipped with precisely tuned diesel units.

Benefits of using an original intercooler hose

Using an original intercooler hose in a BMW with an N47 engine allows for maintaining the consistency of the entire intake system. In practice, this means:

• stable boost parameters and repeatable engine performance,
• reduced risk of failures resulting from leaks or improper fitment,
• easier diagnostics of potential turbocharging system issues,
• preservation of compliance with the manufacturer’s factory specifications.

The used OEM part is a good solution for servicing N47 units, where it is crucial to maintain the proper operation of the turbocharger and intercooler without interfering with the system’s design.

Application in service practice

Replacing the intercooler hose is recommended in situations where symptoms such as power loss, smoke, oil leaks in the intake area, or boost pressure-related errors occur. In such cases, installing an original component:

• restores proper system tightness,
• limits the risk of recurring faults resulting from mismatching,
• allows for maintaining the factory performance parameters of the N47 engine.

For workshops specializing in BMW service, this is a predictable component that fits well into standard intake system repair procedures.

Related BMW intake system components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional intake lines, flexible air hoses, or rigid pipes leading to the intercooler, check the available parts in the BMW Lines, Hoses and Pipes category.

If you are considering broader service or modifications to the diesel unit and want to better understand the specifics of the N47 engine compared to other designs, the comparative article BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels, which discusses performance, reliability, and aftermarket parts availability, may be helpful.