BMW E90 E91 E92 330d M57 Diesel Turbo Intercooler Hose Pipe Line 4723094

BMW E90 E91 E92 330d M57 Diesel Turbo Intercooler Hose Pipe Line is a forced induction system component designed for diesel engines, responsible for the efficient routing of compressed air between the turbocharger and the intercooler. By maintaining the factory hose geometry, it ensures stable engine performance parameters and helps maintain proper charge air cooling efficiency. This is a practical solution for users who want to restore the correct operation of the intake system in their BMW 3 Series with an M57 engine.

Specifications and technical data

• SKU: 4723094
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4723094
• Substitutable numbers: 4723094, 11614723094
• Fuel type: Diesel
• Part type: Intercooler Pipe
• Category: Intercoolers

Purpose and function in the forced induction system

The described intercooler hose operates within the diesel engine's forced induction system, transporting compressed air from the turbocharger to the intercooler. Proper airflow in this section has a direct impact on:

• stable boost pressure across the entire RPM range,
• correct turbocharger operation and reduction of power drops,
• maintaining the appropriate intake air temperature,
• reducing the risk of limp mode caused by intake leaks. For a Diesel engine from the M57 family, a sealed and properly shaped intercooler hose is crucial for achieving predictable throttle response and correct interaction with the engine management system.

Benefits of using an original BMW hose

Using a hose from the Intercoolers group dedicated to the BMW 3 Series allows for maintaining factory flow parameters and fitment with other intake system components. In practice, this means:

• secure fitment with the turbocharger and intercooler without the need for modifications,
• reduced risk of leaks at connections thanks to the correct end profile,
• preservation of the stock engine performance characteristics, without unwanted delays in boost build-up,
• easier diagnostics – the component corresponds to the factory solution used by the manufacturer. This is a sensible choice for users who want to restore the correct operation of the forced induction system after damage or wear of the previous hose, without experimenting with random replacements.

Product characteristics and condition

The intercooler pipe is a dismantled part, which allows for combining an attractive cost with maintaining the original design intended for a given BMW model. A used component of this type is often chosen for intake system repairs in daily-driven cars, where functionality, compliance with the factory design, and the possibility of quick installation are important. Thanks to the preservation of the stock shape and diameter of the hose, the installation process is similar to the factory one – without the need to modify adjacent engine bay components. This facilitates work for both workshops and individuals servicing their BMWs themselves.

Installation and maintenance tips

When replacing the intercooler hose in a diesel engine, it is worth paying attention to several technical aspects:

• checking the condition of clamps and connectors – worn fastening elements can cause leaks even with a functional hose,
• inspecting other sections of the intake system for cracks and abrasions,
• assessing the cleanliness of the hose interior – an excessive amount of oil may indicate other problems in the forced induction system,
• after installation – verification of boost pressure and potential errors in the engine control unit. It is also good practice to periodically check the entire charge air cooling system, especially in intensively used diesel engines.

Related components and technical knowledge

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 hoses, connectors, or sections connecting the intercooler to the intake manifold, check the available parts in the BMW Intercoolers category. To better understand the impact of a functional charge air cooling system on engine durability and to avoid overheating problems, it is worth reading the guide on our blog: Engine cooling system – overheating, repair, and used radiators.