BMW E46 E39 X5 E53 Diesel M57 3.0d Air Intake Inlet Manifold 2247439

BMW E46 E39 X5 E53 Diesel M57 3.0d Air Intake Inlet Manifold is an original air intake system component designed for BMW M57 family diesel engines. Thanks to its factory geometry and precise fitment to the engine cylinder head, it ensures stable cylinder filling conditions and predictable engine performance. It is a practical solution for users who want to maintain the structural integrity of the intake system in their BMW.

Specifications and technical data

• SKU: 2247439-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2247439
• Substitutable numbers: 2247439, 11612247439, 7792019, 11617792019, 7789330, 11617789330, 4710292, 11614710292
• Fuel type: Diesel
• Category: Intake Manifolds

Purpose and function in the intake system

The air intake manifold in the Diesel M57 3.0d engine is responsible for the even distribution of air to individual cylinders, which directly affects the engine's refinement, performance, and fuel consumption. In BMW E46, E39, and X5 E53 models, it is a key component that works in conjunction with the turbocharger, exhaust gas recirculation system, and engine management.

A properly selected intake manifold allows for maintaining correct flow parameters, minimizes pressure drops, and supports stable operation across the entire rev range. Using an original part from the Intake Manifolds group reduces the risk of leaks and fitment issues typical of aftermarket replacements with imprecise geometry.

Benefits of using an original BMW manifold

Choosing an original intake manifold for the M57 3.0d engine offers a range of practical operational benefits:

• preservation of factory cylinder filling characteristics and throttle response,
• consistency with the engine control unit software and other intake system components,
• reduced risk of leaks at the interface with the cylinder head and intake hoses,
• easier diagnostics – flow parameters consistent with manufacturer specifications,
• ability to use existing mounting points and accessories without modifications.

For users who want to keep their M57 unit in good condition, using an original air intake manifold is a sensible service solution that allows avoiding problems resulting from imprecise aftermarket parts.

Product characteristics and fitment

The presented item comes from the BMW Intake Manifolds group and is intended for diesel-powered engines. The manifold construction has been designed for the specific requirements of the M57 3.0d unit, including high boost pressures and operation under a wide range of loads. This ensures proper body rigidity and stable airflow.

The product is offered in Used condition, meaning it has been removed from a vehicle and is intended for users looking for an economical yet structurally compatible solution. Proper selection of the manifold for a specific engine version and body type allows for reduced installation time and avoids additional adaptations.

Application in service practice

The air intake manifold in a diesel engine is a component prone to carbon deposit and impurity buildup, which over time can lead to reduced throughput and degraded engine performance. In many cases, replacing it with a functional unit is more cost-effective than time-consuming cleaning of a heavily worn manifold. Using an original component from the same engine family helps restore proper airflow and facilitates further diagnostics of the intake system.

Manifold replacement is particularly recommended during comprehensive work within the intake system, such as turbocharger service, leak repair, or engine accessory upgrades. Thanks to the retention of factory mounting points and geometry, installation is predictable and does not require interference with the engine structure.

Related content and additional information

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 manifolds, intake duct elements, or compatible air hoses, check the available parts in the BMW Intake Manifolds category.

For drivers interested in a broader view of gas flow in the engine and the impact of manifold components on engine performance characteristics, an article discussing the exhaust system and the selection of used components may be helpful – more information can be found in the post Performance exhaust system: used manifolds and sports catalytic converters on the road.