BMW F20 F30 F32 B58 M140i 340i 440i Inlet Intake Manifold System 8603913

The BMW F20 F30 F32 B58 M140i 340i 440i Intake Manifold is an original intake system component designed for BMW gasoline engines from the B58 family, used in models such as the 1 Series, 3 Series, and 4 Series. As part of the Intake Manifolds category, it ensures precise air delivery to the cylinders, contributing to stable engine operation and predictable performance. A used OEM component is a sensible choice for professional repair or upgrade of the intake system in BMW gasoline-powered cars.

Specifications and technical data

• SKU: 8603913-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8603913
• Substitutable numbers: 11618603913, 8603913
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and Compatibility with the B58 Unit

The presented intake manifold is designed to work with the B58 gasoline engine installed in BMW F20 M140i, F30 340i, and F32 440i models. The intake system design in these units requires a suitable manifold to ensure proper airflow, sealing, and stable operating conditions under the load typical for turbocharged engines.

Thanks to its factory origin, the manifold retains correct mounting points, channel geometry, and compatibility with engine ancillaries, which simplifies installation and reduces the risk of compatibility issues. This is particularly important for high-performance vehicles where the intake system operates under variable pressure and temperature conditions.

Construction and Role in the Intake System

The intake manifold in the B58 engine is responsible for evenly distributing air to individual cylinders, which affects engine smoothness, throttle response, and combustion parameter consistency. Appropriately designed intake channels help maintain stable flow at various engine speeds, and proper fitment with the cylinder head and ancillaries minimizes pressure loss.

The original BMW design ensures:

• maintenance of the B58 engine's factory performance characteristics,
• correct interaction with the engine control system,
• adequate rigidity and resistance to thermal conditions in the engine bay.

This makes the installation of a used OEM manifold a technically safe and predictable operational solution.

Condition, Origin, and Service Application

This part is from the original BMW parts group and is offered as a used intake manifold for the B58 gasoline engine. This type of component is often chosen for accident repairs, replacement of a damaged manifold after mechanical failure, or for restoring a car to its factory specifications after intake modifications.

Using an original manifold from the same engine family allows for the preservation of:

• factory mounting points and routing for ancillaries,
• compatibility with the stock engine control system,
• cohesion of the entire intake system with other components.

Benefits of Choosing an Original BMW Intake Manifold

By choosing an original BMW intake manifold for the B58 engine, you get a part specifically designed for the F20, F30, and F32 models, without the compromises typical of universal aftermarket parts. This solution is particularly recommended for high-performance vehicles where the stability of the intake system directly impacts engine durability.

An original component from the Intake Manifolds category helps reduce the risk of leaks, fitting problems, and unforeseen engine control unit errors resulting from incorrect intake geometry. It is a practical choice for both workshops specializing in the BMW brand and for discerning owners who expect predictable repair outcomes.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional manifolds, intake components, or air supply system components, check the available parts in the BMW Intake Manifolds category.

To better understand the impact of intake and exhaust components on engine characteristics and to find practical tips for selecting used components, it is worth visiting the guide on our blog: Performance Exhaust System: Used Manifolds and Sport Catalytic Converters on the Road.