BMW X3 Series E83 E83N LCI M47N2 Diesel Manifold Charge Air Line Hose 3401557

The BMW X3 E83 M47N2 Air Hose is an original turbocharger and parts component designed for diesel engines. This OEM part ensures proper charge air routing, which promotes stable diesel engine operation and maintains factory flow parameters.

Specifications and technical data

• SKU: 3401557
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3401557
• Substitutable numbers: 11613401557, 3401557
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function in the supercharging system

The BMW X3 E83 M47N2 air hose/pipe operates within the turbocharger intake system, ensuring tight and stable compressed air flow. A properly selected component:

• maintains appropriate boost pressure in the diesel engine,
• reduces power losses resulting from intake leaks,
• supports even combustion of the mixture in the diesel engine,
• helps maintain the correct operation of the turbocharger and accessories.

Thanks to the use of the original air pipe, the factory air routing geometry is maintained, which is important both for the durability of the turbocharger and the smooth operation of the engine.

Technical characteristics and fit

This component comes from BMW's OE line of parts, meaning it was designed to meet the specific design requirements of the X3 E83 diesel model. In practice, this translates to:

• precise fit to the factory mountings and intake system connections,
• maintaining the original diameter and air flow cross-section,
• compatibility with the factory turbocharger and other intake components,
• easier installation without the need for modifications or adapters.

As part of the turbocharger and parts category, the hose is an essential link in the entire turbocharging system – its condition has a direct impact on the dynamics, fuel consumption and stability of the diesel engine.

Used condition and the benefits of choosing OEM parts

The air tube offered is in used condition, allowing for a cost-effective repair while maintaining the quality of the original component. Choosing a used OEM part in this case is:

• factory material and dimensional specifications,
• consistency with other components of the BMW supercharging system,
• reducing the risk of fit problems typical of substitutes,
• a reasonable compromise between repair cost and durability.

When replacing the air hose, it is worth paying attention to the condition of the clamps, seals and adjacent intake elements to restore the full tightness of the entire system in a single service operation.

Installation and operating instructions

When installing the air pipe in the supercharger system, it is recommended to:

• thoroughly cleaning the sockets and connections from oil and dirt,
• checking the condition of the clamps and replacing them if necessary,
• checking that the cable is not twisted or excessively stressed after installation,
• after starting the engine – verification of tightness at various loads.

A properly installed air duct helps reduce smoke, power drops and boost pressure errors, which is particularly important in modern diesel engines.

Related Categories and Technical Materials

If you are also looking for other turbocharger components, such as hoses, pipes or turbocharger components dedicated to this brand, check out our turbochargers and parts category for BMW , where you will find a wide selection of compatible OEM components from dismantling.

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