BMW F20 F30 B58 M140i 340i 440i Inlet Intake Manifold System Pipe Hose 8603913

BMW F20 F30 B58 M140i 340i 440i Inlet Intake Manifold System Pipe Hose 8603913 is an original intake system component from the Intake Manifolds group, designed for modern B58 engines in BMW 1, 3, and 4 Series models. The product is sourced from vehicle dismantling, allowing for an economical yet technically sound repair or replacement of a damaged hose in the engine's intake system.

Specifications and technical data

• SKU: 8603913-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8603913
• Substitutable numbers: 11618603913, 8603913, BG
• Category: Intake Manifolds

Purpose and function in the intake system

The presented manifold hose is an intake system component responsible for a stable and airtight connection within the intake manifold of B58 engines used in the BMW M140i, 340i, and 440i. A correctly selected hose ensures proper airflow to the cylinders, which translates into smooth engine operation, correct throttle response, and the maintenance of factory performance parameters.

In the event of leaks or damage to the hose, power drops, engine control unit errors, and unstable idle speed may occur. Using an original hose from the same design group allows for restoring the correct characteristics of the intake system without the need for a costly replacement of the entire intake manifold.

Benefits of using an original manifold hose

Choosing a component sourced from BMW ensures the preservation of the factory geometry, diameters, and shape of the hose, which is particularly important in modern turbocharged engines. Thanks to this:

• proper airtightness of connections within the intake manifold is maintained,
• correct air circulation is preserved within the load ranges typical for the B58 unit,
• the risk of improper fitment, typical of random aftermarket replacements, is minimized.

For users of M140i, 340i, and 440i models, this means the ability to restore factory engine performance parameters while maintaining consistency with other intake system components. Original fitment also reduces the time required for installation and facilitates service work.

Product characteristics and service application

The offered manifold hose comes from the BMW parts group and is intended for installation in vehicles equipped with the B58 unit, such as the M140i, 340i, and 440i. This element is suitable both for standard replacement of a worn hose and for repairs following intake system modifications, where it is necessary to restore the factory routing of the hoses.

The product is particularly useful in situations where:

• mechanical damage to the hose has occurred (cracks, abrasions, deformations),
• there are leakage problems within the intake manifold area,
• a return to the factory configuration is necessary after intake modifications.

Due to its BMW origin, the hose maintains compatibility with factory brackets, clamps, and mounting points, which facilitates installation and reduces the risk of additional modifications.

Integration with other BMW Intake Manifold components

The manifold hose works with other intake system components within the intake manifold, such as intake ducts, connection ports, or flow control elements. Proper fitting of all these parts is crucial for maintaining stable boost pressure and correct operation of the engine control unit.

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 hoses, connection ports, or manifold housing elements, check the available parts in the BMW Intake Manifolds category.

Technical support and additional information

For users interested in a broader context of intake and exhaust system operation in BMW class cars, the guide material regarding the selection and operation of used components may be helpful. To better understand the relationships between the manifold, intake hoses, and the rest of the system, it is worth reading the article: Performance exhaust system: used manifolds and sports catalytic converters on the road.

Combining practical service knowledge with the use of original BMW components allows for informed planning of repairs and upgrades, and thus for maintaining stable performance parameters of the B58 engine in M140i, 340i, and 440i models.