BMW E90 E91 LCI 320d N47N Turbo Intercooler Pipe Charge Air Line 8511738

The BMW E90 E91 LCI N47N Intercooler Hose Pipe is an original component of the turbo system from the Hoses, Tubes, and Pipes group, designed for BMW cars with the N47N engine after the facelift. This used OEM part ensures a factory fit, stable air routing to the intercooler, and maintains the original performance parameters of the powertrain.

Specifications and technical data

• SKU: 8511738-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8511738
• Substitutable numbers: 8511738, 11618511738
• Category: Hoses, Lines & Pipes

Purpose and Function in the Turbo System

The intercooler hose pipe in BMW E90/E91 LCI models with the N47N engine is responsible for the sealed and as uniform as possible routing of compressed air between the turbocharger, intercooler, and subsequent intake components. A correctly selected hose limits pressure drops, minimizes the risk of leaks, and supports stable engine operation across the full load range.

The original design of the hose is optimized for airflow, engine bay geometry, and the N47N unit's characteristics, which translates to repeatable performance and predictable car behavior during acceleration.

Benefits of Using an Original Intercooler Hose Pipe

Using a factory hose from the Hoses, Tubes, and Pipes group to replace a worn or damaged component allows for the restoration of correct turbo system operation without the need for installation modifications. Compared to aftermarket alternatives, the original part offers:

• a secure fit with other intake components,
• preservation of the original hose routing in the engine bay,
• appropriate material stiffness and flexibility under typical operating conditions,
• compatibility with factory clamps and mountings.

This ensures a smooth installation process and reduces the risk of subsequent leaks or collisions with other parts. It's a particularly beneficial solution for servicing daily-driven cars where stability and predictable operation are key.

Characteristics of the Used BMW Part

The offered intercooler hose pipe is a dismantled part and is classified as a used BMW part. Such components are often chosen for maintenance repairs when preserving the original specification at a reasonable service cost is a priority. A used OEM part allows for maintaining factory quality and fit while reducing expenses compared to a new part.

For turbo system hoses, it is particularly important to maintain the correct geometry and construction, which promotes proper airflow and reduces the risk of unwanted deformation during engine operation.

Selection and Application in Service Practice

When selecting an intercooler hose pipe for BMW E90/E91 LCI with the N47N engine, it is crucial to rely on OEM data and interchangeable part numbers, which allow for unambiguous verification of compatibility with the specific vehicle configuration. This ensures that the mechanic or owner is confident that the installed part will work with the existing system without requiring modifications.

In service practice, intercooler hose replacement is recommended, among other things, when leaks, cracks, excessive deformation, or oil traces are detected in areas where they should not appear. Using an original hose helps to reduce power loss, unstable engine operation under load, and errors related to boost pressure.

If you are planning a comprehensive repair or upgrade of the intake and turbo system area in your BMW and need other parts from the same group, such as additional pipes, flexible hoses, or hose connectors, check the available parts in the BMW Hoses, Tubes, and Pipes category.

Support in Selection and Service Knowledge

When planning service work, it is advisable to consider not only the intercooler hose itself but also the overall condition of the intake system, which helps to avoid recurring faults and additional vehicle downtime. Practical tips on operating and replacing wear parts can be found in the article TOP 10 Most Frequently Replaced Parts in Your Car, which helps to better plan vehicle maintenance and optimize repair costs.