BMW E60 E65 E90 E91 Cover Intake Manifold Diesel M57 7789109

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E60 E65 E90 E91 Cover Intake Manifold Diesel M57 is an original intake system component designed for BMW diesel engines, ensuring proper routing and protection of the air drawn into the power unit. The robust construction of this cover supports the stable operation of the Diesel engine, reducing the risk of contaminants entering the air filter. It is a practical solution for users who want to restore the factory functionality of the intake system in their BMW E60, E65, E90, or E91 series.

Specifications and technical data

• SKU: 7789109
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 13717789109
• Substitutable numbers: 13717789109, 7789109
• Fuel type: Diesel
• Category: Intake Manifolds

Purpose and function in the intake system

The presented air filter cover is a component from the Intake manifolds group, working with the intake system of BMW M57 diesel engines. Its task is to tightly guide the airflow to the filter and further intake components, which promotes stable engine performance and correct flow characteristics.

A properly selected air filter cover helps maintain:

• adequate intake system tightness,
• correct airflow direction to the intake manifold,
• protection of the filter element against mechanical damage.

Compatibility with the M57 Diesel engine

The cover has been designed to work with Diesel engines from the M57 family used in BMW E60, E65, E90, and E91 models. This means it is matched in terms of geometry, mounting points, and air duct routing in the engine bay. Using an original cover from the same construction group allows for maintaining factory flow parameters, which is important for the operation of the mass air flow sensor, turbocharger, and the intake manifold itself.

For users looking for intake system parts for BMW diesel engines, choosing a cover dedicated to the M57 reduces the risk of assembly issues and leaks that could affect the performance and refinement of the power unit.

Characteristics of the used component

The offered cover is a dismantled part and has the status of a used original BMW component. This type of part is a good solution for drivers who want to maintain the factory design of the intake system while optimizing repair costs. A used part from original production is typically characterized by proper fitment to serial mounts and compatibility with other intake sub-assemblies.

Choosing an original, used air filter cover allows you to:

• maintain the structural integrity of the intake system,
• preserve factory mounting points and cable routing,
• minimize the risk of fitment issues compared to universal replacements.

Practical benefits of replacing the air filter cover

A functional air filter cover has a direct impact on the durability of the filter element and the stability of engine performance. Cracks, deformations, or missing mounting elements can cause unfiltered air to be drawn in, which accelerates engine wear. Using a properly selected cover in the M57 engine helps reduce this risk and maintain predictable operating conditions for the intake system.

In the context of operating BMW cars with diesel engines, regular inspection of the air filter cover condition and its replacement in case of damage is one of the simplest ways to maintain stable performance and proper operation of the intake manifold.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as intake housings, air ducts, or components working with the manifold, check the available parts in the BMW Intake manifolds category.

More information about intake and exhaust systems

For drivers interested in the broader context of how intake systems work and their connection to the exhaust system, materials discussing the selection of used elements, such as manifolds or performance components, may be useful. For this purpose, it is worth reading the article on our blog: Performance exhaust system: used manifolds and sports catalytic converters on the road, which covers the topic of selecting used sub-assemblies in premium brand cars, including BMW.