BMW 5 Series E60 E61 M57N Engine Turbo Charge Air Line Intercooler Pipe Hose

BMW 5 Series E60 E61 M57N Engine Turbo Charge Air Line Intercooler Pipe Hose is an original intake system component, responsible for the tight and stable routing of compressed air between the turbocharger and the intercooler. Thanks to its precise fit for the M57N engine design and the E60/E61 body, it ensures proper operation of the turbocharging system and maintains correct engine parameters. This is a solution dedicated to users who expect factory geometry and secure installation.

Specifications and technical data

• SKU: 7799401-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7799401
• Substitutable numbers: 11617799401, 7799401, 11617797697, 7797697, 11617791664, 7791664, 7793896, 7790130, 7792220, 11617793896, 11617792220, 11617790130
• Category: Hoses, Lines & Pipes

Purpose and function in the turbocharging system

The charge air pressure hose in the M57N engine is responsible for transporting cooled air from the intercooler to the intake manifold, operating under variable pressure and elevated temperatures. The appropriate stiffness and shape of the component limit pressure drops, which translates into stable torque characteristics and correct throttle response. Using an original hose allows for maintaining proper flow and minimizes the risk of leaks that could result in a loss of power or the engine entering limp mode.

Construction and fitment for BMW 5 Series E60/E61 M57N

The component has been designed specifically for the intake system in the BMW 5 Series E60 and E61 with the M57N unit, maintaining the factory routing geometry in the engine bay. Properly profiled sections and precisely selected connection diameters facilitate installation and ensure a secure fit on the ports. As a result, the hose works with factory clamps and mounts, which reduces stress and vibrations during engine operation and driving under various load conditions.

Benefits of using an original charge air hose

Using an original hose instead of a worn or leaking component allows for restoring the correct operating parameters of the turbocharging system. In practice, this means:

• stable boost pressure across the entire RPM range,
• reduction of air losses at connections and joints,
• reduced risk of boost-related error codes,
• better refinement of the M57N unit during acceleration.

For users who operate their vehicle intensively or under higher loads, replacing a worn hose with a functional component from the same design group is an important step towards maintaining stable and predictable engine operation.

Component condition and service application

The offered hose belongs to the Lines, hoses and pipes group and comes from an original BMW intake system, which helps maintain factory flow parameters. As a used component, it is a particularly attractive solution in the context of service repairs, where the priority is to maintain the original design while optimizing costs. It works well both for standard replacement of worn components and for comprehensive maintenance of the turbocharging system in the M57N engine.

Part selection and expanding the scope of repair

In the case of the intake system, it is important that the charge air hose is compatible with the manufacturer's markings and reference numbers used for the specific engine and body. Original markings facilitate unambiguous identification of the component and selection of the appropriate replacement within the same design group. This allows for effective service planning, combining the hose replacement with an inspection of other intake system components, such as other hose sections, clamps, or quick-connect couplings.

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 air lines, vacuum hoses, or intake system pipes, check the available parts in the BMW lines, hoses and pipes category.