BMW E90 E91 LCI E92 N57 Air Charge Hose Intercooler Pipe Line 7800142

BMW E90 E91 LCI E92 N57 Air Charge Hose Intercooler Pipe Line is an original intake system component from the Lines, hoses and pipes group, designed for use in modern BMW diesel engines. This used OEM part ensures factory-fit, stable airflow to the intercooler, and maintains the standard operating parameters of the N57 engine in E90 LCI and E92 body styles.

Specifications and technical data

• SKU: 7800142
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7800142
• Substitutable numbers: 7800142, 11617800142
• Category: Hoses, Lines & Pipes

Function in the intake system

The intercooler hose is responsible for the airtight and directional routing of compressed air between the turbocharger, the charge air cooler, and subsequent intake components. A properly selected pipe:

• maintains stable boost pressure across the entire RPM range,
• reduces power drops resulting from leaks or hose deformation,
• supports uniform air cooling within the intercooler,
• minimizes the risk of overheating components adjacent to the intake system.

Thanks to a design consistent with the factory BMW blueprint, the intercooler pipe works with standard mounts and the engine bay layout, which translates into predictable engine performance.

Benefits of using an original BMW hose

Using an original hose from the Lines, hoses and pipes group instead of a worn or damaged component allows you to maintain engine performance parameters in line with the manufacturer's specifications. In practice, this means:

• reliable cooperation with the stock intercooler and turbocharger,
• reduced risk of power loss and limp mode resulting from intake leaks,
• no need for mount modifications or additional pipe shape adjustments,
• consistency with the factory routing of lines in the engine bay.

A used OEM part is a reasonable compromise between cost and maintaining the original technical specification, especially in vehicles that are driven intensively or have undergone service modifications.

Purpose and fitment

BMW E90 E91 LCI E92 N57 Air Charge Hose Intercooler Pipe Line has been designed specifically for the engine bay geometry of the 3 Series E90 models after the facelift and the E92 coupe with the N57 unit. The appropriate profile of the hose facilitates:

• collision-free routing of the intake relative to other components,
• maintaining the proper distance from heat-generating elements,
• correct positioning of the hose relative to factory brackets and clamps.

Such fitment reduces material stress, which is important for the long-term durability of the hose.

Condition and service application

The item is offered as a used original BMW component, which allows for an economical repair of the intake system while maintaining the factory design. This type of hose is particularly useful in situations where:

• the existing intercooler hose has cracked, chafed, or deformed,
• there are issues with boost pressure and a suspected intake leak,
• after a collision or service intervention, it is necessary to restore the factory routing of the lines.

Choosing an original hose from dismantling allows you to avoid dimensional inaccuracies typical of many aftermarket replacements, which is significant for engine stability and vehicle comfort.

Expanding the BMW intake system

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 intake lines, vacuum hoses, or charge air cooling pipes, check out the available parts in the BMW Lines, hoses and pipes category.

For users interested in a broader perspective on the economical servicing of premium cars, including the use of verified used parts, an article describing strategies for reducing maintenance costs while maintaining high-quality service may be helpful – you can find it here: Luxury within reach – how to service a legendary Porsche brand using verified used parts.