BMW 3 Series E46 Intake Manifold Air Inlet Petrol 7508711 13717508711

BMW 3 Series E46 Intake Manifold Air Inlet is an original intake system component, designed specifically for BMW power units powered by petrol. As a part from the Intake Manifolds group, it ensures proper airflow to the cylinders, which translates into stable engine operation and correct throttle response.

Specifications and technical data

• SKU: 7508711
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7508711
• Substitutable numbers: 7508711, 13717508711, EM
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and function in the intake system

The presented intake manifold is dedicated to BMW 3 Series E46 models with petrol engines, where it is responsible for the even distribution of air to individual cylinders. A correctly selected and airtight manifold allows for maintaining stable pressure in the intake system, which has a direct impact on the engine's refinement, fuel consumption, and power parameters.

In the case of petrol engines, it is particularly important to maintain the correct geometry of the intake ports and the tightness of the connections with the cylinder head and throttle body. This component, as an original BMW part, has been designed with proper airflow in mind, which facilitates maintaining correct mixture values and supports the operation of the engine control system.

Construction and fitment for the BMW 3 Series E46

The intake manifold for the BMW 3 Series E46 has been constructed to work with factory engine equipment – the throttle body, sensors, and vacuum components. The appropriate placement of ports and mounting points allows for installation in original locations without the need for modifications, which is particularly important when maintaining the factory configuration of the power unit.

Thanks to the use of solutions provided by the manufacturer, the manifold maintains proper rigidity and resistance to thermal loads occurring in the engine compartment. This helps to reduce the risk of leaks, micro-cracks, or deformations that could disrupt the operation of the intake system.

Characteristics of the used component

The offered intake manifold is a used component, which means it comes from vehicle dismantling but retains the functionality required for further operation. This type of part is a good choice in a situation where the existing manifold has suffered mechanical damage, cracking, or deformation due to overheating. Replacing it with an original part from the secondary market allows for restoring proper airflow while maintaining reasonable repair costs.

Choosing a used OEM manifold is particularly beneficial for users who want to maintain factory engine performance parameters, avoiding unreliable replacements with unverified intake port geometry. A properly selected element from this group allows for the vehicle to quickly return to full operational efficiency.

Application in petrol engines

In BMW 3 Series E46 petrol units, the intake manifold is crucial for forming the air-fuel mixture. Stable airflow and proper turbulence in the intake ports support efficient combustion, which translates into smooth acceleration, correct idle operation, and predictable response to load.

In the case of symptoms such as rough engine operation, power loss, increased fuel consumption, or errors related to intake leaks, checking the condition of the intake manifold is one of the basic diagnostic steps. Replacing it with a functional component from the same design group often allows for eliminating problems without interfering with other sub-assemblies.

Expansion and other BMW Intake Manifolds

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 additional manifolds, intake elements, or components cooperating with the air supply system, check the available parts in the BMW Intake Manifolds category.

Technical support and knowledge about exhaust and intake systems

For users interested in a broader look at exhaust and air flow in modern power units, including BMW vehicles, we have prepared material discussing the selection of used exhaust system elements and manifolds. You can find more practical tips in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.

If you want to better understand the importance of original components in the context of safety and durability of repairs, it is also worth reading the guide Quality assurance and OEM safety – why are used original car parts the best choice for your car?, which discusses the advantages of using factory parts in vehicles such as the BMW 3 Series E46.