BMW X5 E70 X6 E71 Air Intake Pipe Filter To Turbo M57N2 7798336

BMW X5 E70 X6 E71 Air Intake Pipe Filter To Turbo M57N2 is an original intake system component from the Lines, hoses and pipes group, designed for use with the M57N2 diesel engine in BMW X5 E70 and X6 E71 models. Designed by the vehicle manufacturer, this pipe ensures stable airflow to the intake system, which promotes proper engine operation and maintains factory parameters. This used OEM component is a sensible choice for professional repairs or restoring the stock intake configuration.

Specifications and technical data

• SKU: 7798336-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798336
• Substitutable numbers: 13717798336, 7798336, 13717798338, 7798338
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The air intake pipe in the M57N2 engine is responsible for directing air to the subsequent intake components, minimizing pressure drops and unwanted turbulence. For SUVs such as the BMW X5 E70 and X6 E71, this is important for both stable turbocharger operation and the correct functioning of engine control systems. The original geometry of the component allows for maintaining:

• correct positioning of the pipe relative to the filter housing and engine bay,
• adequate rigidity and resistance to engine vibrations,
• consistency with the factory routing of other lines and wiring harnesses.

Advantages of using the original air intake pipe

Using an original component from the Lines, hoses and pipes group instead of a worn or damaged part helps avoid problems typical of aftermarket replacements with inaccurate shapes. The pipe is tailored to the specific engine bay, which facilitates installation and reduces the risk of material stress, leaks, or rubbing against adjacent components. Key benefits include:

• Factory fitment – maintaining the original airflow path and compatibility with M57N2 engine accessories.
• Stable intake system operation – reducing the risk of leaks that could affect sensor readings and engine control unit operation.
• Consistency with vehicle design – no need for modifications, adjustments, or additional mounting.

Characteristics of the used component

The offered air intake pipe is a used part, sourced from the dismantling of a BMW vehicle. Such components are frequently chosen for servicing older X5 and X6 models, where maintaining original specifications at reasonable repair costs is a priority. The used OEM component retains its factory construction and is a good solution in situations where the existing pipe has cracked, deformed, or shows signs of excessive wear.

Selection and application in workshop practice

When selecting an air intake pipe for a BMW X5 E70 or X6 E71 with an M57N2 engine, it is crucial to rely on manufacturer data and part numbers specified in the technical documentation. This allows for precise verification of the component's compatibility with the specific equipment version and vehicle model year, which is particularly important given the structural differences between various engine variants. In workshop practice, the air intake pipe is replaced, among other situations, when:

• cracks or leaks are found within the pipe,
• mechanical damage has occurred due to a collision or improper installation,
• visible material degradation is present after years of operation.

Expanding the BMW intake system

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 additional intake lines, flexible air hoses, or rigid air pipes, check the available parts in the BMW lines, hoses and pipes category. For users interested in a broader approach to vehicle service, including improving visibility and driving safety, a guide on selecting lighting may be helpful. More information can be found in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which discusses the practical aspects of using original components in BMW cars.