@Inlet Manifold BMW E87 Diesel 118d 120d M47N2 Panel Air Intake Suction 7790601

Visual condition of the part

The product shows signs of use visible in the photos.

@Inlet Manifold BMW E87 Diesel 118d 120d M47N2 Panel Air Intake Suction is a component from the Inlet Manifolds group, designed for BMW 1 Series E87 diesel engines. It is responsible for directing the airflow into the intake system, which promotes stable operation of the diesel power unit and helps maintain proper engine supply conditions.

Specifications and technical data

• SKU: 7790601-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7790601
• Substitutable numbers: 13717790601, 7790601
• Fuel type: Diesel
• Category: Intake Manifolds

Purpose and function in the intake system

The presented air intake duct is a component of the intake system that guides air from the inlet in the engine bay to the further parts of the manifold. In a diesel engine, a properly routed airflow is important for even cylinder filling, stable idling, and predictable response to load.

The engine cover integrated with the intake duct also serves a protective role – it limits the impact of contaminants from the engine bay on the intake area while organizing the airflow. Thanks to this, the intake system is less exposed to accidental dirt, which helps maintain the efficiency of other components in the Inlet Manifolds group.

Benefits of using an original BMW component

Using the original engine cover with an air intake duct in the BMW E87 allows for maintaining the factory airflow geometry. This solution is particularly important in diesel units, where stable air supply conditions affect the refinement, noise level, and repeatability of combustion parameters.

The main advantages of installing this component include:

• Factory fitment for the BMW E87 engine bay, with no need for mounting modifications.
• Consistency with other components in the Inlet Manifolds group, which facilitates service and diagnostics.
• Maintaining predictable airflow in the diesel engine, which promotes stable operation of the power unit.

Performance characteristics of the used component

The offered component is a used part, sourced from dismantling, which allows for economical repair or replacement of a missing element in the engine bay. This type of solution is often chosen when servicing older BMW models, where reasonable maintenance costs are important while maintaining compliance with the factory design.

The engine cover with air intake duct in a used version may show signs of wear typical for components mounted in the engine bay; however, when properly selected according to the model and fuel type, it retains its functionality in terms of guiding air to the intake system.

Selection, installation, and system integration

When selecting this component, it is crucial to match it to the specific version of the BMW E87 with a diesel engine. Proper fitment with other components in the engine bay facilitates installation and minimizes the risk of leaks in the intake area. In practice, installation involves correctly seating the intake duct and securely fastening it at the designated structural points.

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 intake ducts, covers, or additional air hoses, check the available parts in the BMW Inlet Manifolds category.

More about intake and exhaust systems

For a better understanding of the impact of airflow on the performance and operating characteristics of internal combustion engines, including diesel engines, it is worth exploring issues related to modifications and the selection of exhaust system components and manifolds. Practical tips on used manifolds and performance components can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.