BMW 3 E90 E91 E92 M57N2 335d Intake Manifold Charge Air Line Hose 7812274

BMW 3 E90 E91 E92 M57N2 335d Intake Manifold Charge Air Line Hose is an original turbocharging system component designed for BMW models with the N57 engine in the E93 body style. Engineered by the vehicle manufacturer, it ensures a precise fit and stable routing of compressed air between the turbocharger and the intercooler. Thanks to its factory geometry and robust construction, it provides a reliable solution when replacing a worn section of the intake system, supporting efficient engine operation and proper charge air cooling efficiency.

Specifications and technical data

• SKU: 7812274
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812274
• Substitutable numbers: 11617812274, 7812274, 11617796295, 7796295
• Category: Other Engine Parts

Purpose and function in the turbocharging system

The intercooler hose in the N57 engine is responsible for the airtight and stable routing of compressed air from the turbocharger to the charge air cooler and further towards the intake manifold. Proper flow in this section has a direct impact on:

• maintaining appropriate boost pressure across the entire RPM range,
• stable torque characteristics,
• correct operation of the engine control unit and fuel injection system,
• reducing power drops resulting from leaks or deformation of the hose.

Thanks to a design consistent with BMW factory specifications, the hose maintains the correct diameter and shape, which promotes uniform airflow and reduces the risk of local turbulence and pressure drops.

Benefits of using an original BMW hose

Using a component from the BMW OE group allows you to maintain turbocharging system performance parameters consistent with the manufacturer's design. In practice, this means:

• a secure fit to the mounts and connectors in the E93 engine bay with the N57 unit,
• compatibility with factory clamps, connectors, and brackets,
• appropriate resistance to temperature and pressure typical for turbocharged diesel engines,
• reduced risk of improper installation compared to aftermarket parts with different geometry.

For the user, this means more predictable vehicle behavior, stable turbocharger operation, and a reduced risk of failures resulting from leaks in the intake system. Replacing a worn or damaged hose with an OEM component is particularly important in vehicles driven dynamically or with high mileage.

Characteristics of the used component

The offered hose comes from dismantling and is classified as a used original part. This type of component represents a reasonable compromise between cost and maintaining factory specifications, especially in the case of older vehicle generations. In practice, this allows for:

• maintaining compliance with the manufacturer's design without the need to invest in a new component,
• reducing repair costs while maintaining the proper functionality of the system,
• preserving the original routing of the hose in the engine bay, which facilitates service and diagnostics.

During installation, it is recommended to check the condition of the cooperating intake system components, such as clamps, connectors, and mounts, to ensure the tightness and durability of the entire connection.

Integration with other BMW intake system components

The intercooler hose in the BMW E93 N57 works with the turbocharger, intercooler, and intake manifold, creating a cohesive system responsible for delivering cooled, compressed air to the cylinders. Replacing this component is particularly recommended when symptoms appear such as:

• power loss or unstable acceleration,
• characteristic hissing under load,
• increased exhaust smoke during acceleration,
• engine control unit errors related to boost pressure.

Selecting a hose compatible with the specific engine and body version minimizes the risk of installation problems and facilitates subsequent service work within the turbocharging system.

If you are planning a comprehensive repair or upgrade of the turbocharging area in your BMW and need other components from the same group, such as additional air hoses, intake pipes, or mounting elements, check the available parts in the Other BMW category.

Technical support and knowledge about powertrains

When working with advanced power units, such as turbocharged diesel engines, it is worth expanding your knowledge about the structural and operational differences between individual model versions. In the context of comparing solutions used in different brands and variants, both sports and production models, an article discussing the construction of engines, brakes, and chassis in high-performance cars may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.