BMW 3 Series E90 E91 LCI N57 Diesel Manifold Charge Air Line Hose 7800143

Visual condition of the part

The product shows signs of use visible in the photos.

The BMW E90 E91 N57 Intercooler Hose is an original turbocharger and parts component designed for BMW 3 Series E90/E91 diesel engines with the N57 engine. This used intercooler hose allows for a cost-effective, yet technically correct, repair of the intake system while maintaining factory airflow characteristics.

Specifications and technical data

• SKU: 7800143-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7800143
• Substitutable numbers: 7800143, 11617800143, 7809834
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and role in the charging system

The intercooler pipe in the N57 engine is responsible for the stable routing of compressed air between the turbocharger, intercooler, and intake manifold. The correct pipe shape and diameter are crucial for maintaining adequate boost pressure, rapid throttle response, and proper operation of the diesel engine control system.

Using a component from the same BMW model platform reduces the risk of leaks, improper fit, or incompatibility with factory mounts. This makes the intercooler hose the right choice for turbocharger repairs in N57 engined vehicles.

Benefits of using the original intercooler pipe

Choosing the original intercooler hose for BMW E90/E91 N57 provides a number of practical advantages in the daily use of a diesel car:

• Factory flow geometry – maintaining the appropriate cross-section and length of the pipe promotes stable boost pressure and repeatable engine operating parameters.
• Dedicated mountings – the pipe is adapted to the standard brackets and clamps, which facilitates installation and reduces stress in the intake system.
• Turbocharger and intercooler compatibility – the element is designed to work with the factory turbocharger components in the N57 unit.
• Safe operation of the diesel engine – a tight and properly routed cable reduces the risk of power drops, emergency mode and excessive smoke.

Condition, origin and use in a diesel engine

The intercooler pipe offered is a used part, which reduces repair costs while maintaining the original manufacturer's specifications. This solution is particularly beneficial for users who want to keep their BMW E90 or E91 diesel in good working order without having to invest in expensive replacements with unreliable performance.

This component is part of the Turbochargers and Parts category, meaning it's designed to operate under the elevated pressure and temperature conditions typical of modern diesel engines. A properly selected intercooler hose helps maintain a stable charge air temperature, which translates into smooth operation and engine durability.

Selection, assembly and compliance with reference numbers

When selecting an intercooler pipe for a BMW E90/E91 with an N57 engine, it's crucial to compare the OEM part number and available interchange numbers with the vehicle's specifications. This allows you to verify compatibility with the specific engine version and year of the vehicle and avoid installation issues.

The pipe is designed as a plug-and-play component within a given engine configuration, which in practice means it can be installed in place of a damaged pipe without the need for modifications. Proper fit with the turbocharger, intercooler, and intake manifold reduces the risk of leaks, which could lead to power loss or engine control errors.

BMW turbocharger upgrades and other intercooler lines

If you're looking for other BMW intercooler hoses from the same turbocharger and accessory category, check out our BMW intercooler hoses available in the turbocharger and accessories category . This will allow you to choose a complete solution for your entire intake system, especially for larger repairs or upgrades.

Operation in difficult conditions and preparing the car for winter

The turbocharging system in a diesel engine is particularly stressed at low temperatures, when air density increases and pressure differences are greater. Therefore, it's worth periodically checking the condition of the intercooler hoses, clamps, and connections, especially before the winter season. For more practical tips on preparing your car for frost and inspecting used engine components, see the article "Winter Essentials: Which Used Car Parts Should Be Checked and Replaced Before Freezing? "

Summary

The BMW E90 E91 N57 Intercooler Hose is a sensible choice for drivers who want to restore the proper operation of their BMW's diesel turbocharger system using a used, original component. A properly selected hose ensures stable airflow, correct boost pressure, and compatibility with the factory intake system design, resulting in predictable performance and safe vehicle operation.