BMW F20 F30 Inlet Intake Manifold System Pipe Hose B58 M140i 340i 440i 72342109

BMW F20 F30 Inlet Intake Manifold System Pipe Hose B58 M140i 340i 440i is an original intake system component from the Intake Manifolds group, designed for modern B58 engines in BMW 1, 3, and 4 series models. Engineered as an OEM part, it ensures proper airflow to the manifold, stable engine operation, and the maintenance of factory performance parameters. This is the ideal solution for users who want to maintain the structural integrity of the intake system and avoid issues with poorly fitted aftermarket replacements.

Specifications and technical data

• SKU: 8603913-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8603913
• Substitutable numbers: 8603913, 11618603913, 72342109
• Category: Intake Manifolds

Purpose and function in the intake system

The presented manifold pipe hose operates in the immediate vicinity of the intake manifold, ensuring a tight and stable connection of intake system components in B58 engines used in the BMW F20, F30, as well as M140i, 340i, and 440i versions. A correctly selected hose:

• maintains proper airflow to the intake manifold,
• minimizes the risk of leaks and power loss,
• helps maintain correct engine management operation and stable combustion parameters.

Thanks to a design consistent with factory specifications, this component supports seamless integration with engine electronics and other intake system components.

Benefits of using an original manifold pipe

Choosing an original manifold pipe hose for a BMW with a B58 engine allows you to maintain the consistency of the entire intake system. In practice, this means:

• factory geometric fitment to the intake manifold and adjacent components,
• appropriate material stiffness and flexibility, selected for operating conditions in the engine bay,
• reduced risk of improper installation compared to universal replacements.

For users of M140i, 340i, and 440i models, this is of particular importance, as the B58 engine operates under higher loads and requires stable, predictable airflow to the intake manifold.

Component condition and service application

The offered manifold pipe comes from the used parts group, making it an attractive cost-effective alternative while maintaining original specifications. It is suitable both for the standard replacement of a worn or damaged hose and for restoring the factory configuration of the intake system after modifications. This is a practical solution for workshops specializing in BMW and for conscious users who prefer OEM parts from dismantling over unreliable replacements.

Integration with other BMW Intake Manifold components

The manifold pipe hose works in conjunction with the intake manifold and other intake components; therefore, during major service work, it is worth considering a comprehensive approach to this area. If you are planning a complex repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional hoses, connectors, or connection elements, check the available parts in the BMW Intake Manifolds category.

Technical support and system development

For users interested in a broader context of modifications and service of exhaust and intake systems in performance-class cars, we have prepared a guide. To better understand the relationships between the manifold, exhaust flow, and their impact on engine performance characteristics, it is worth reading the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses practical aspects of selecting and operating used components in cars such as BMW.