BMW E82 E88 135i E90 E91 335i Intake Air Duct Pipe Hose 7556550

BMW E82 E88 135i E90 E91 335i Intake Air Duct Pipe Hose is an original intake system component designed for turbocharged engines in selected BMW 1 and 3 Series models. The part belongs to the Lines, hoses and pipes group and has been engineered to ensure stable routing of compressed air between the components of the forced induction system. This used component in black is a functional solution for repairs and maintenance of the factory intake system.

Specifications and technical data

• SKU: 7556550
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7556550
• Substitutable numbers: 13717556550, 7556550
• Color: Black
• Category: Hoses, Lines & Pipes

Purpose and function in the forced induction system

The intake air duct pipe hose is responsible for a tight and stable connection between the intake system components in turbocharged engines. In practice, this means:

• routing compressed air while maintaining the correct flow cross-section,
• limiting pressure drops in critical sections of the intake,
• reducing the risk of leaks that could cause power loss or trigger the engine's limp mode.

Thanks to its precise fit for specific BMW E82, E88, E90, and E91 models, as well as the 135i and 335i versions, the component allows for maintaining the factory characteristics of the forced induction system without the need for structural modifications.

Construction, material, and color

The presented hose belongs to the group of flexible intake system components, designed to operate at elevated temperatures and under variable pressure. The Black color is typical for original BMW components, which facilitates visual matching with other hoses and covers in the engine bay.

The choice of material in such pipes is crucial for resistance to:

• pressure pulsations generated by the turbocharger,
• vibrations transmitted from the engine unit and the chassis,
• contact with oil mist and other contaminants present in the intake.

The original design ensures adequate rigidity while maintaining the flexibility necessary to compensate for the movements of the powertrain.

Benefits of using an original BMW part

Using an original BMW intake air duct pipe hose offers several practical advantages:

• Factory geometric fit – correct lengths, diameters, and bend shapes facilitate installation and minimize stress on connections.
• Compatibility with engine accessories – maintaining the manufacturer-intended routing paths without interference with other engine bay components.
• Stable forced induction system performance – limiting the risk of pressure drops and incorrect readings from air flow sensors.

For users planning comprehensive intake system maintenance or replacing several hoses at once, it is worth reviewing the entire group of items in the lines, hoses and pipes for engine systems category to maintain consistency of the applied solutions.

Condition, installation, and service application

The part is offered as a used original component, which in practice means a favorable combination of price and adherence to factory specifications. Such elements are often chosen for:

• repairs after forced induction system failures (cracks, leaks, abrasions),
• restoring the stock configuration after previous intake modifications,
• preventive maintenance in high-mileage vehicles where flexible hoses are prone to material fatigue.

Installing the hose is a standard workshop operation within the intake system and, if the correct procedure is followed, does not require interference with the vehicle's electronics. It is only important to properly seat the ends in the sockets and check the condition of clamps and connectors.

Technical support and additional information

When selecting components for the powertrain – both in the intake and drivetrain areas – it is worth being guided not only by price but also by compliance with factory specifications. Technical materials may be helpful, such as the article on diagnostics and selection of clutch and dual-mass flywheel parts, which demonstrates an approach to combining used components with an existing powertrain.

For users who want to better understand the relationships between the forced induction system, intake, and drivetrain, it will also be useful to read a broader discussion of service topics on the blog: a practical guide to selecting used parts in turbocharged cars. This makes it easier to plan a consistent scope of work and select the right components for a specific BMW configuration.