BMW F80 M3 LCI Vacuum Breather Air Hose Pipe Line S55 Petrol Engine 2395290

BMW F80 M3 LCI Vacuum Breather Air Hose Pipe Line S55 Petrol Engine is an original vacuum system component designed for the S55 petrol engine unit. The precisely selected diameter and shape of the hose ensure stable operating conditions for engine accessories, which translates into repeatable engine performance parameters and predictable load response.

Specifications and technical data

• SKU: 2395290
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2395290
• Substitutable numbers: 2395290
• Fuel type: Petrol
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function of the vacuum hose

The vacuum hose in the S55 engine is responsible for the safe and airtight routing of vacuum between control system components and accessories. In high-performance petrol units such as the S55, stable vacuum is essential for the operation of many control components, which is why using the correct factory hose is crucial for maintaining proper engine operating characteristics. The original hose from the Lines, hoses and pipes group is designed for resistance to temperatures in the engine bay, contact with fuel vapors, and dynamic pressure changes. As a result, it reduces the risk of micro-leaks that could cause unstable idle, ECU errors, or a drop in performance.

Benefits of using an original BMW hose

Using a vacuum hose dedicated to the BMW F80 M3 LCI with the S55 engine allows for maintaining the factory parameters of the intake and control system. This component is geometrically matched for routing in the engine bay, which facilitates installation and minimizes material stress during operation.

• Stable vacuum routing in the S55 petrol system.
• Reduction of the risk of leaks and associated engine operation errors.
• Perfect fit for factory mounts and routing in the engine bay.
• Consistency with other components of the BMW vacuum system. For the user, this means more predictable engine behavior, easier diagnostics, and less susceptibility to problems resulting from the use of universal replacements.

Technical characteristics and installation

The vacuum hose is designed to work with the S55 petrol engine, which is subject to high thermal and pressure loads. The hose construction is adapted for operation in the BMW F80 M3 LCI engine bay, taking into account routing near high-temperature elements and moving parts. During installation, it is important to maintain the factory routing of the hose and ensure proper seating on the connectors, which ensures airtight connections. Replacing the vacuum hose is recommended if cracks, material hardening, traces of oil or fuel on the surface are found, as well as when diagnosing problems with unstable petrol engine operation.

Component condition and practical application

The offered hose comes from dismantling, which allows for maintaining the original material and shape specifications provided by the manufacturer. For many BMW M3 F80 LCI users, this is a sensible service solution, especially during comprehensive vacuum system maintenance or when restoring the car to a configuration close to factory specifications. In practice, replacing the vacuum hose is often performed in parallel with other work in the engine bay, such as accessory service or inspection of rubber and plastic lines. This helps reduce the risk of future leaks and avoids the need for re-dismantling the same components. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as vacuum lines, intake hoses, or fluid pipes, check the available parts in the BMW lines, hoses and pipes category.

Technical support and service knowledge

When selecting dismantled components for engine systems, it is worth using the experience of practitioners and proven solutions. For components such as lines, hoses, or accessory parts, original used parts often provide better durability than budget replacements with uncertain material specifications. To better understand why original dismantled components are often preferred in professional service, it is worth reading our guide: Starting system failure – why a used original is sometimes more durable than a budget refurbishment. Although it concerns alternators and starters, the approach to part quality presented there also applies to the selection of vacuum system components.