Intake Hose BMW F10 F11 Diesel N47N 520d Silencer Filtered Air Pipe Tube 8508047

Visual condition of the part 

The product shows signs of use visible in the photos. 

Intake Hose BMW F10 F11 Diesel N47N 520d Silencer Filtered Air Pipe Tube is a component from the Lines, hoses and pipes category, designed for the air supply system in BMW 5 Series F10/F11 diesel engines with the N47N unit. It is responsible for stable, airtight air delivery to the diesel engine, which promotes smooth engine operation and proper interaction with intake accessories.

Specifications and technical data

• SKU: 8512014-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8512014
• Substitutable numbers: 8512014, 13718512014, 8508047, 13718508047
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The described intake hose has been designed specifically for diesel engines in BMW F10 and F11 models with the N47N unit. Its task is to guide air in a controlled manner, maintaining the correct flow geometry, which limits pressure drops and helps maintain stable engine operating parameters.

A properly selected intake hose contributes to:

• correct cylinder filling with air,
• maintaining the tightness of the intake system,
• reducing the risk of diesel engine component malfunctions,
• more predictable throttle response.

Construction and fitment for BMW F10/F11

The air intake pipe has been manufactured as a component dedicated to a specific BMW platform, which translates into proper routing in the engine bay and alignment with mounting points. As a result, installation is straightforward, without the need for modifications or makeshift solutions.

Key functional features of this component include:

• shape adapted to the N47N unit layout,
• predictable positioning relative to other intake components,
• maintaining appropriate rigidity while being resistant to vibrations.

Operational characteristics and advantages of use

In diesel engines such as the N47N, stable airflow has a direct impact on engine refinement and combustion parameters. Using the correct intake hose helps limit leaks that could cause power loss, ECU errors, or uneven engine operation.

The most important benefits of using this component include:

• better diesel engine stability due to maintaining the designed airflow path,
• limiting the risk of uncontrolled suction of contaminants from the engine bay,
• easier intake system diagnostics by maintaining the original component configuration.

Condition, origin, and installation aspects

The air intake pipe comes from the BMW range, which means it retains factory geometry and compatibility with the N47N engine system. The item is in used condition, which allows for an economical replacement of a worn or damaged hose while maintaining compliance with the factory-fitted solution.

Before installation, a standard visual inspection for leaks, the condition of the connectors, and surfaces mating with clamps is recommended. A correctly installed hose should operate without additional stress, which promotes longer service life and stability of the entire intake system.

Selection by OEM number and purchase support

Due to the complexity of intake systems in modern diesel engines, selecting the right pipe should always be based on the OEM number and vehicle data. This avoids fitment issues and ensures compatibility with the factory engine configuration.

If you want to verify the compatibility of the part with a specific car step-by-step, a practical guide will be helpful: how to choose the right car part by VIN and OEM number. You will find a procedure, examples, and a list of questions to ask before making your final choice.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other items from the same group, such as intake hoses, vacuum hoses, or air supply pipes, check out the available parts in the BMW lines, hoses and pipes category.